Table of Contents
Part 1 Market Overview
1.1 Market Definition
1.2 Market Development
1.3 By Type
Table Type of Music Synthesizers
Figure Global Music Synthesizers Market Share by Type in 2020
1.4 By Application
Table Application of Music Synthesizers
Figure Global Music Synthesizers Market Share by Application in 2020
1.5 Region Overview
Table Region of Music Synthesizers
Figure Global Music Synthesizers Market Share by Region in 2020
Part 2 Global Market Status and Future Forecast
2.1 Global Market by Region
Table Global Music Synthesizers Market by Region, 2015-2019 (Million USD)
Figure Global Music Synthesizers Market Share by Region in 2020 (Million USD)
Table Price List by Region, 2015-2019
2.2 Global Market by Company
Table Global Music Synthesizers Market by Company, 2015-2019 (Million USD)
Figure Global Music Synthesizers Market Share by Company in 2020 (Million USD)
Table Price List by Company, 2015-2019
2.3 Global Market by Type
Table Global Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Global Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
2.4 Global Market by Application
Table Global Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Global Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
2.5 Global Market by Forecast
Figure Global Music Synthesizers Market Forecast, 2020-2024 (Million USD)
Part 3 Asia-Pacific Market Status and Future Forecast
3.1 Asia-Pacific Market by Company
Table Asia-Pacific Music Synthesizers Market by Company, 2015-2019 (Million USD)
Figure Asia-Pacific Music Synthesizers Market Share by Company in 2020 (Million USD)
Table Price List by Company, 2015-2019
3.2 Asia-Pacific Market by Type
Table Asia-Pacific Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Asia-Pacific Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
3.3 Asia-Pacific Market by Application
Table Asia-Pacific Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Asia-Pacific Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
3.4 Asia-Pacific Market by Forecast
Figure Asia-Pacific Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 4 Asia-Pacific Market by Geography
4.1 China Market Status and Future Forecast
4.1.1 China Market by Type
Table China Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure China Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
4.1.2 China Market by Application
Table China Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure China Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
4.1.3 China Market by Forecast
Figure China Music Synthesizers Market Forecast, 2020-2025 (Million USD)
4.2 Southeast Asia Market Status and Future Forecast
4.2.1 Southeast Asia Market by Type
Table Southeast Asia Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Southeast Asia Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
4.2.2 Southeast Asia Market by Application
Table Southeast Asia Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Southeast Asia Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
4.2.3 Southeast Asia Market by Forecast
Figure Southeast Asia Music Synthesizers Market Forecast, 2020-2025 (Million USD)
4.3 India Market Status and Future Forecast
4.3.1 India Market by Type
Table India Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure India Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
4.3.2 India Market by Application
Table India Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure India Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
4.3.3 India Market by Forecast
Figure India Music Synthesizers Market Forecast, 2020-2025 (Million USD)
4.4 Japan Market Status and Future Forecast
4.4.1 Japan Market by Type
Table Japan Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Japan Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
4.4.2 Japan Market by Application
Table Japan Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Japan Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
4.4.3 Japan Market by Forecast
Figure Japan Music Synthesizers Market Forecast, 2020-2025 (Million USD)
4.5 Korea Market Status and Future Forecast
4.5.1 Korea Market by Type
Table Korea Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Korea Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
4.5.2 Korea Market by Application
Table Korea Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Korea Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
4.5.3 Korea Market by Forecast
Figure Korea Music Synthesizers Market Forecast, 2020-2025 (Million USD)
4.6 Oceania Market Status and Future Forecast
4.6.1 Oceania Market by Type
Table Oceania Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Oceania Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
4.6.2 Oceania Market by Application
Table Oceania Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Oceania Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
4.6.3 Oceania Market by Forecast
Figure Oceania Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 5 Europe Market Status and Future Forecast
5.1 Europe Market by Region
Table Europe Music Synthesizers Market by Region, 2015-2019 (Million USD)
Figure Europe Music Synthesizers Market Share by Region in 2020 (Million USD)
Table Price List by Region, 2015-2019
5.2 Europe Market by Company
Table Europe Music Synthesizers Market by Company, 2015-2019 (Million USD)
Figure Europe Music Synthesizers Market Share by Company in 2020 (Million USD)
Table Price List by Company, 2015-2019
5.3 Europe Market by Type
Table Europe Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Europe Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
5.4 Europe Market by Application
Table Europe Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Europe Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
5.5 Europe Market by Forecast
Figure Europe Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 6 Europe Market by Geography
6.1 Germany Market Status and Future Forecast
6.1.1 Germany Market by Type
Table Germany Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Germany Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.1.2 Germany Market by Application
Table Germany Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Germany Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.1.3 Germany Market by Forecast
Figure Germany Music Synthesizers Market Forecast, 2020-2025 (Million USD)
6.2 UK Market Status and Future Forecast
6.2.1 UK Market by Type
Table UK Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure UK Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.2.2 UK Market by Application
Table UK Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure UK Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.2.3 UK Market by Forecast
Figure UK Music Synthesizers Market Forecast, 2020-2025 (Million USD)
6.3 France Market Status and Future Forecast
6.3.1 France Market by Type
Table France Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure France Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.3.2 France Market by Application
Table France Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure France Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.3.3 France Market by Forecast
Figure France Music Synthesizers Market Forecast, 2020-2025 (Million USD)
6.4 Italy Market Status and Future Forecast
6.4.1 Italy Market by Type
Table Italy Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Italy Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.4.2 Italy Market by Application
Table Italy Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Italy Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.4.3 Italy Market by Forecast
Figure Italy Music Synthesizers Market Forecast, 2020-2025 (Million USD)
6.5 Russia Market Status and Future Forecast
6.5.1 Russia Market by Type
Table Russia Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Russia Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.5.2 Russia Market by Application
Table Russia Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Russia Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.5.3 Russia Market by Forecast
Figure Russia Music Synthesizers Market Forecast, 2020-2025 (Million USD)
6.6 Spain Market Status and Future Forecast
6.6.1 Spain Market by Type
Table Spain Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Spain Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.6.2 Spain Market by Application
Table Spain Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Spain Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.6.3 Spain Market by Forecast
Figure Spain Music Synthesizers Market Forecast, 2020-2025 (Million USD)
6.7 Netherlands Market Status and Future Forecast
6.7.1 Netherlands Market by Type
Table Netherlands Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Netherlands Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.7.2 Netherlands Market by Application
Table Netherlands Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Netherlands Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.7.3 Netherlands Market by Forecast
Figure Netherlands Music Synthesizers Market Forecast, 2020-2025 (Million USD)
6.8 Turkey Market Status and Future Forecast
6.8.1 Turkey Market by Type
Table Turkey Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Turkey Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.8.2 Turkey Market by Application
Table Turkey Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Turkey Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.8.3 Turkey Market by Forecast
Figure Turkey Music Synthesizers Market Forecast, 2020-2025 (Million USD)
6.9 Switzerland Market Status and Future Forecast
6.9.1 Switzerland Market by Type
Table Switzerland Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Switzerland Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
6.9.2 Switzerland Market by Application
Table Switzerland Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Switzerland Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
6.9.3 Switzerland Market by Forecast
Figure Switzerland Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 7 North America Market Status and Future Forecast
7.1 North America Market by Region
Table North America Music Synthesizers Market by Region, 2015-2019 (Million USD)
Figure North America Music Synthesizers Market Share by Region in 2020 (Million USD)
Table Price List by Region, 2015-2019
7.2 North America Market by Company
Table North America Music Synthesizers Market by Company, 2015-2019 (Million USD)
Figure North America Music Synthesizers Market Share by Company in 2020 (Million USD)
Table Price List by Company, 2015-2019
7.3 North America Market by Type
Table North America Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure North America Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
7.4 North America Market by Application
Table North America Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure North America Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
7.5 North America Market by Forecast
Figure North America Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 8 North America Market by Geography
8.1 United States Market Status and Future Forecast
8.1.1 United States Market by Type
Table United States Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure United States Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
8.1.2 United States Market by Application
Table United States Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure United States Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
8.1.3 United States Market by Forecast
Figure United States Music Synthesizers Market Forecast, 2020-2025 (Million USD)
8.2 Canada Market Status and Future Forecast
8.2.1 Canada Market by Type
Table Canada Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Canada Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
8.2.2 Canada Market by Application
Table Canada Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Canada Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
8.2.3 Canada Market by Forecast
Figure Canada Music Synthesizers Market Forecast, 2020-2025 (Million USD)
8.3 Mexico Market Status and Future Forecast
8.3.1 Mexico Market by Type
Table Mexico Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Mexico Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
8.3.2 Mexico Market by Application
Table Mexico Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Mexico Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
8.3.3 Mexico Market by Forecast
Figure Mexico Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 9 South America Market Status and Future Forecast
9.1 South America Market by Region
Table South America Music Synthesizers Market by Region, 2015-2019 (Million USD)
Figure South America Music Synthesizers Market Share by Region in 2020 (Million USD)
Table Price List by Region, 2015-2019
9.2 South America Market by Company
Table South America Music Synthesizers Market by Company, 2015-2019 (Million USD)
Figure South America Music Synthesizers Market Share by Company in 2020 (Million USD)
Table Price List by Company, 2015-2019
9.3 South America Market by Type
Table South America Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure South America Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
9.4 South America Market by Application
Table South America Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure South America Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
9.5 South America Market by Forecast
Figure South America Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 10 South America Market by Geography
10.1 Brazil Market Status and Future Forecast
10.1.1 Brazil Market by Type
Table Brazil Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Brazil Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
10.1.2 Brazil Market by Application
Table Brazil Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Brazil Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
10.1.3 Brazil Market by Forecast
Figure Brazil Music Synthesizers Market Forecast, 2020-2025 (Million USD)
10.2 Argentina Market Status and Future Forecast
10.2.1 Argentina Market by Type
Table Argentina Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Argentina Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
10.2.2 Argentina Market by Application
Table Argentina Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Argentina Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
10.2.3 Argentina Market by Forecast
Figure Argentina Music Synthesizers Market Forecast, 2020-2025 (Million USD)
10.3 Columbia Market Status and Future Forecast
10.3.1 Columbia Market by Type
Table Columbia Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Columbia Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
10.3.2 Columbia Market by Application
Table Columbia Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Columbia Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
10.3.3 Columbia Market by Forecast
Figure Columbia Music Synthesizers Market Forecast, 2020-2025 (Million USD)
10.4 Chile Market Status and Future Forecast
10.4.1 Chile Market by Type
Table Chile Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Chile Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
10.4.2 Chile Market by Application
Table Chile Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Chile Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
10.4.3 Chile Market by Forecast
Figure Chile Music Synthesizers Market Forecast, 2020-2025 (Million USD)
10.5 Peru Market Status and Future Forecast
10.5.1 Peru Market by Type
Table Peru Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Peru Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
10.5.2 Peru Market by Application
Table Peru Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Peru Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
10.5.3 Peru Market by Forecast
Figure Peru Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 11 Middle East & Africa Market Status and Future Forecast
11.1 Middle East & Africa Market by Region
Table Middle East & Africa Music Synthesizers Market by Region, 2015-2019 (Million USD)
Figure Middle East & Africa Music Synthesizers Market Share by Region in 2020 (Million USD)
Table Price List by Region, 2015-2019
11.2 Middle East & Africa Market by Company
Table Middle East & Africa Music Synthesizers Market by Company, 2015-2019 (Million USD)
Figure Middle East & Africa Music Synthesizers Market Share by Company in 2020 (Million USD)
Table Price List by Company, 2015-2019
11.3 Middle East & Africa Market by Type
Table Middle East & Africa Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure Middle East & Africa Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
11.4 Middle East & Africa Market by Application
Table Middle East & Africa Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure Middle East & Africa Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
11.5 Middle East & Africa Market by Forecast
Figure Middle East & Africa Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 12 Middle East & Africa Market by Geography
12.1 GCC Market Status and Future Forecast
12.1.1 GCC Market by Type
Table GCC Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure GCC Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
12.1.2 GCC Market by Application
Table GCC Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure GCC Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
12.1.3 GCC Market by Forecast
Figure GCC Music Synthesizers Market Forecast, 2020-2025 (Million USD)
12.2 North Africa Market Status and Future Forecast
12.2.1 North Africa Market by Type
Table North Africa Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure North Africa Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
12.2.2 North Africa Market by Application
Table North Africa Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure North Africa Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
12.2.3 North Africa Market by Forecast
Figure North Africa Music Synthesizers Market Forecast, 2020-2025 (Million USD)
12.3 South Africa Market Status and Future Forecast
12.3.1 South Africa Market by Type
Table South Africa Music Synthesizers Market by Type, 2015-2019 (Million USD)
Figure South Africa Music Synthesizers Market Share by Type in 2020 (Million USD)
Table Price List by Type, 2015-2019
12.3.2 South Africa Market by Application
Table South Africa Music Synthesizers Market by Application, 2015-2019 (Million USD)
Figure South Africa Music Synthesizers Market Share by Application in 2020 (Million USD)
Table Price List by Application, 2015-2019
12.3.3 South Africa Market by Forecast
Figure South Africa Music Synthesizers Market Forecast, 2020-2025 (Million USD)
Part 13 Key Companies
13.1 Novation Digital Music Systems
13.1.1 Novation Digital Music Systems Profile
Table Novation Digital Music Systems Overview List
13.1.2 Products & Services Overview
13.1.3 Sales Data List
Table Music Synthesizers Business Operation of Novation Digital Music Systems (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
13.2 Yamaha
13.3 Allen & Heath
13.4 Roland
13.5 Casio Computer
13.6 Korg
13.7 Dave Smith Instruments
13.8 Kurzweil Music
13.9 Stanton
13.10 Teenage Engineering
13.11 Arturia
13.12 Elektron
13.13 Hercules
13.14 Focusrite
13.15 Medeli Electronics
13.16 Moog Music
Part 14 Conclusion