Description:Low energy usage. Button Remote for iPhone and Android Smartphone - Play/Pause, Next/Last Track, Volume, Siri, Camera.Control Media Playback.The Bluetooth Media Button allows you to play/pause and forward/backtrack media, and adjust volume without reaching for your phone. Change songs without having to take your eyes off the road and control video play without having to get up from the couch.Bluetooth Connection. Simply pair the BT Shutter Button to your phone or tablet via Bluetooth. There is no software to install or any apps to download. The included CR2016 battery has an amazingly long battery life of up to 2 years and the wireless Bluetooth range is up to 40 feet.Compatible with most of iOS devices supporting Bluetooth 3.0 and later, Android OS 4.4 or later.Package include:1 *Bluetooth media button1 *Button installation1 *Keychain accessories1 * 3M sticker1. Just press the button, the BT media button can put the media controls at your fingertips. Connect the buttons to the steering wheel or dashboard to control multimedia functions safely and conveniently even if you cannot access your smartphone. Play/pause, forward/backward and adjust the volume, even if the phone is in a pocket, purse, plugged into a wall or other places 40 feet away2. Control media playback - The BT media button allows you to play/pause and fast forward/rewind media, as well as adjust the volume without having to reach for your phone. You can change the song without leaving your sight, and you can control the video playback without having to stand up from the sofa.3. Bluetooth connection - Just pair the BT Media Button with your phone or tablet via Bluetooth. There is no software to install or any applications to download. The included CR2016 battery has a long battery life of up to 2 years and a wireless Bluetooth range of up to 40 feet.4. Install accessories - Use the attached bracket to fix the BT Media Button on the steering wheel or the handlebar of the bicycle so that your eyes are always on the road and your hands are always on the steering wheel. No need to touch the phone to control media playback5. Compatibility - Compatible with most iOS devices that support Bluetooth 3.0 and higher, Android OS 4.0 or higher."