A mounting type Bluetooth unit is provided, which can lengthen the life span of a battery. The mounting type Bluetooth unit is fixedly installed in the interior of a vehicle and is provided with a casing body that packages a circuit board having a controller with control logic for performing Bluetooth communication with a Bluetooth device of a portable phone. The controller further includes a human body sensor as a control switch of operation logic. Also, the controller further includes a logic for sensing a driver's getting into/out of the vehicle in accordance with existence/nonexistence of a sensing signal of the human body sensor and controlling the operation of the Bluetooth unit in a sleep/awake or power-on/off state to cancel pairing with the Bluetooth device in a non-use state.