Car Steering Wheel bluetooth Controller Receiver Multi-function Button for Android iOS Phone

Description Material ABS Weight 10 5g Storage capacity no memory FM frequency modulation function none Play time long time PC interface type none Size no display Power supply voltage 3V Product size diameter 36mm thickness 8 5mm Battery model CR2032feature 1 bluetooth button 2nd generation2 Control media playback3 Smart compatible4 Remote photoPackage Included 1 Car bluetooth Controller1 User ManulHow to use Button to link the mobile phone the mobile phone is connected to the audio1 Press and one at the same time for 2 seconds to activate Bluetooth2 The front blue indicator flashes3 Open the Bluetooth search on your phone or tablet select SmartRemote and click connect and pairNote The button does not need to be turned off manually and it will automatically sleep after 12 minutes without any operation Press any button to quickly and automatically connect to the phone The buttons cannot be directly connected to control the car audio