Friendly Design Keep Safe Driving:
Small and detachable wireless earphone design,easily enjoy your phone call at any condition.
LED display:show the car battery voltage when drive your car with this product connected. Keep your car work in a safe condition.
Voice prompts incoming call number and operation state,100% unleash your hands form mobile.
Bluetooth turns on and connect cell phone automatically when car starts and turn off automatically after disconnecting with cell phone.