Parking Sensor

Compliance with Bluetooth Specification Version 1.2. 
Support Hands free Profiles 
Listen to music from your mobile and respond to phone calls-Ability to switch between music and calls made to you Bluetooth phone 
Wirelessly connects to most Bluetooth mobile phone 
Use DSP technology, Full duplex dispose, Reduce noise and echo suppression with talking.
Attached USB faucet to software framework update.
Built-out Microphone to speaking and loudspeaker to listening
Bluetooth connectivity up to 7M. 
Bluetooth Operating frequency range in ISM band of 2.4GHz to 2.48GHz
4pcs LED nixietube display incoming call ID, The longest ID can display for 12 bits, LED status indication for different mode of operation
One Buttons Control-left to middle-to hand on or hand up and Voice dial, re-dial last operation