Features: 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 Power saving mode, if you do not touch it for about 2min, the button will turn off automatically Small and compact, easy to carry and convenient to use Wireless Bluetooth range is up to 40 feet Compatible with most of iOS devices supporting Bluetooth 3.0 and later (support for iPhone 7 and iOS10), Android OS 4.0 or later Specification: Type: Bluetooth Media Button Bluetooth: 3.0 OS Supperted: iOS devices supporting Bluetooth 3.0 and later (support for iPhone 7 and iOS10); Android OS 4.0 or later Battery: CR2016 battery Material: Aluminum alloy+ABS Size: approx. 36 x 8.5mm/ 1.4*0.3" (D*H) Color: black ,silver Package Included: 1x Bluetooth Media Button 1x Sticker 1x English User Manual