Bluetooth-compatible Car Steering Wheel Remote Control Phone Music Controller Camera Shutter - Black 【Versatile Bluetooth-compatible Control】Control music playback,volume,and Siri on your smartphone or tablet directly from your steering wheel,enhancing convenience and safety while driving 【Wireless Camera Shutter】Doubles as a remote shutter for your device's camera,allowing for natural selfies and group photos without awkward arm stretching 【Energy Efficient】Smart power-saving design with 0.5-second wake-up time and an impressive 2-year standby period,ensuring long-lasting performance 【Auto Sleep Mode】Automatically enters sleep mode after 30 seconds of inactivity to conserve battery,easily awakened by pressing any button 【Wide Compatibility】Works with iOS 7.0 and Android 4.4+ devices,making it suitable for a broad range of smartphones and tablets 【Compact Design】With a diameter of 36mm and thickness of 8.5mm,this controller is sleek and unobtrusive on your steering wheel Specifications: Bluetooth-compatible Range: 10 meters Dimensions: 36mm diameter,8.5mm thickness Battery Type: CR2032 (included) Compatibility: iOS 7.0 or Android 4.4+ Material: ABS Standby Time: Up to 2 years Wake-up Time: 0.5 seconds Package included: 1 x Bluetooth-compatible Controller (with Battery)