1. Low energy usage.Button Remote for and Android Smartphone - Play/Pause, Next/Last Track, Volume, Siri, Camera. 2. 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 without having to take your eyes off the road and control video play without having to get up from the couch. 3.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. 4.Compatible with most of iOS devices supporting Bluetooth 3.0 and later, Android OS 4.4 or later.The to wake up siri in the latest IOS device version is as follows: After connecting "+" and "-" for the first time, press for three seconds to match, and then you only need to press the center button for 3 seconds to wake up siri. 5.Note:The Bluetooth remote control must be connected to a smartphone or tablet before use. It does not work with an Android car radio.Connect the Bluetooth device, the phone keyboard will not display, please click the sound + / or-key.There is no home button.If the Bluetooth device is connected, the keyboard of the phone will not be displayed. Please press the sound +/- button at the same time for 2-3 seconds to switch. Steering wheel remote control,Wireless Bluetooth 4.0 Media Button Music Play Remote Control for IOS/Android Wireless Bluetooth Media Button Remote Selfie Control Start Siri Car Motorcycle Steering Wheel Music for iOS or Android Note: The buttons do not support answering calls LED:When you press the button, the blue light will stay on for 2 seconds. Activate your phone's voice commands. Capture selfies or groupphoto easily. Control your music wirelessly. size:85x85x35mm Material:ABS colour:Black Package Contents: 1 x Steering wheel remote control Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.