1Support various for Android /for wince car multimedia player with steering wheel control function. 2USB rechargeable battery, long service life, it can be used for 68 months after a full charged. 35m/16.4ft long transmission distance, 1W low power consumption, it has stable performance. 4The installation is simple and does not require complicated operations, convenient for using. 5Built to meet standard specification, strictly follow factory quality control. Condition: 100% Brand NewItem Type: Steering Wheel ButtonMaterial: ABSColor: As picture shownPower: 1WVoltage: 3-5VSNR: 96dBTransmission Distance: Approx. 5m/16.4ftBattery: 3V CR2025 lipo battery(built-in), no additional battery required 2 x Steering Wheel Remote Button2 x Silicone Case1 x Controller1 x USB Charging Cable1 x Tape