Support APP:NoFrequency:Other Channel:1 Package:No Model Number:Wireless Bluetooth Media Button Wireless Communication:bluetooth Use:Universal Origin:Mainland China Certification:CE Feature:Bluetooth Media Button Power supply:CR2032 button battery Features: This Bluetooth Media Button allows you to control music at your fingertips with a single press when your smart -phone / tablet is out of your reach. It's a media control button that allows you to play or pause music, skip back or forward a song, increase or decrease the volume of your media. Use the included mount to attach the Media Button to your steering wheel or onto bicycle handlebars, allowing you to keep your eyes on the road and your hands on the wheel. Power saving mode, if you do not touch it for about 2min, the button will turn off automatically. Convenient to use, small and compact, the wireless Bluetooth range is up to 40 feet. CR2016 battery is projected to last at least 1 year. Come with a strap, you could freely take it anywhere you go. Compatible with most of iOS devices supporting Bluetooth 3.0 and later (support for iPhone 7 and for iOS10), for Android OS 4.0 or later. Package Including: 1*Bluetooth media button(battery included) 1*Sticker 1*English user manual