Versatile Bluetooth ControlControl music playback, volume, and Siri on your smartphone or tablet directly from your steering wheel, enhancing convenience and safety while drivingWireless Camera ShutterDoubles as a remote shutter for your device's camera, allowing for natural selfies and group photos without awkward arm stretchingEnergy EfficientSmart power-saving design with 0.5-second wake-up time and an impressive 2-year standby period, ensuring long-lasting performanceAuto Sleep ModeAutomatically enters sleep mode after 30 seconds of inactivity to conserve battery, easily awakened by pressing any buttonWide CompatibilityWorks with iOS 7.0 and Android 4.4+ devices, making it suitable for a broad range of smartphones and tabletsCompact DesignWith a diameter of 36mm and thickness of 8.5mm, this controller is sleek and unobtrusive on your steering wheelSpecifications:Bluetooth Range: 10 metersDimensions: 36mm diameter, 8.5mm thicknessBattery Type: CR2032 (included)Compatibility: iOS 7.0 or Android 4.4+Material: ABSStandby Time: Up to 2 yearsWake-up Time: 0.5 seconds