Bluetooth handsfree car kit (rear view mirror)

Item NO. VTB-90
Bluetooth Hands Free Car Kit with Parking Sensor(rear view mirror)
Features
Bluetooth specification:2.0; range:0-10 m parking sensor -----four ultrasonic sensors to detect the distance of the obstacles(detect range:0.3-2.0m;detect angel: H>80?V>70? DSP technology, Full duplex, noise and echo suppression. Voice dialing, last call redialing, and call switching function. Built-in high intelligent microphone and powerful speaker. Super bright LED caller NO. display go to the profession vapor fixs factory to instal