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Bluetooth Media Button Series Access to Smartphone for Iphone 5/5S/5S/6/6S Plus IPad Air Mini 1/2/3 Samsung Galaxy Edge S4/S5/S6 Google NexusSpecification:1. Small and compact，use CR2016 Battery(no include).2. Using Multimedia Functions.3. Refined slim aluminum design.4. Compatibility: iOS devices bluetooth 3.0 or later， android devices OS 4.0 or later. Media manipulation- Fixed on the steering wheel or bicycle handle which is convenient for fixing and operation. It will make you more secure when you are driving.- It's easy link to your mobile and tablet. There is no software to install or any apps to download. The straight line working distance of it is about 40 feet.- The media remote control button that allows you to play or pause music， skip back or forward a song or increase or decrease the volume of your media at your fingertips. Control media play without touching your phone or having to stand up from the couch.- The buttons are powered by one CR2016 button battery that is installed in the button when it arrives. One battery is projected to last 2 years.Warm Prompt:Please read this instruction before using in order to know and use this product correctly.Package include:1 x Bluetooth Media Button1 x Button Mount1 x Keychain1 x 3M Sticker