klarako Universal Car Kit - Bluetooth 4.0 Wireless Cell Phone

Specifications: Color: Black Material: Plastic Bluetooth Version: BLE(V4.0) Remote Distance: more than 15m Compatible Systems: Android 4.3+, iOS 7.0+ Working Voltage: DC 1.9-3.6V Working Current: 15mA Standby Current (Sleep): 0.7uA Working Frequency: 2.4GHz ISM Transmitting Power: Default 0dBm Battery Type: 3V CR2032 Battery Size: Approx. 13.5 * 6 * 3.5 cm / 5.3 * 2.4 * 1.4 inch Working Temperature: -10 ~ 70 ℃ Working Humidity: 0 ~ 95% Product Weight: About 35g Package Weight: About 61g Package List: 1 * Bluetooth Remote Control (Other items in the pictures are not included.) Note: The remote control will automatically connect to your cellphone via Bluetooth after pairing once. If not, please restart the Bluetooth function of your cellphone. If you can't power on the remote control, it may be the battery running out, please change it.