A economic hands-free with extreme small size

摘要

The present invention is an auxiliary device that allows you to talk without touching your mobile phone at all while driving a car.A connector with a voice amplifier and a speaker is plugged into a cigarette lighter jack, and the mobile phone is fixed using a magnet on the wired microphone. It's about a wired hands-free that allows you to pick up and hold a magnet near the steering wheel to answer incoming calls.;The present invention puts a call button right next to the microphone while using a wire to reduce the production cost, and when a call is received, the driver can press a hand lightly to make a call, and when the call is over, press the call button again. Press to end the call.