Features:
A wireless headset makes wireless calls possible.
Bluetooth 2.0+A2DP compatible with all bluetooth enabled mobile phones， connection distance is up to 10M.
Wireless earpiece connectivity up to 4m.
Ultrathin appearance only 19.5mm.
Noise suppression and echo cancellation technology， DSP technology.
LCD displays incoming caller ID in English. (It only support English and Chinese )
Incoming caller ID read in English. ( TTS: Text To Speech)
Built-in Li-ion rechargeable battery supports long time standby.
Built-in Microphone and speaker for phone calls or music listening with volume adjustable.
Voice dial， last number redial and phonebook synchronization function.
Independent Wireless earpiece to protect personal privacy.
Equipped with USB interface， SD/MMC card slot， can play MP3 format music from your USB- DISK SD/MMC card.
Built-in FM transmitter， frequency (88.1~107.9MHz) selection， digital display shows frequency.
Saving last 10 received telephone numbers so you can call back.
Directly hook on the back mirror， without occupation of space， thoroughly overcome the trouble of dismantle.

Specifications:
Bluetooth version: 2.0 and A2DP
Bluetooth support patterns: Bluetooth mobile phone and Bluetooth hands-free devices
Connection distance: 10M
Working voltage: 12 to 24V DC
Battery capacity: 1000mAh
Earphone working time: 1 hours
FM radio frequency: 88.1-107.9MHz (optional)
Color: Black
Item size: 27 * 9 * 2cm / 10.6 * 3.5 * 0.8in
Item weight: 331g / 11.7oz
Package size: 32 * 13.7 * 5.7cm / 12.6 * 5.3 * 2.2in
Package weight: 663g / 1.5lb

Package list:
1 * Bluetooth rearview mirror
1 * Car Charger
1 * Earphone
1 * User Manual（ English ）