• Add the safety and convenience of Bluetooth to a vehicle that doesn’t have it from the factory. Attaches to your sunvisor for convenient operation and optimum microphone/speaker location.
• Supports up to two phones with auto power-off when Bluetooth connection is lost (ie, when you walk away from the car with your phone).
• Internal rechargeable battery with up to 30-days standby time. Added safety with great convenience.

Features:

•  Bluetooth 4.0
•  Digital power amplifier
•  Rechargeable battery
•  30 days standby on full charge
•  Connect two phones simultaneously
•  Turns off automatically when no Bluetooth connection detected
•  Voice answer
•  Noise reduction microphone
•  Turns on automatically when car door is opened/shut

Specifications:
Output Power: 2W
Charging Voltage: 5VDC
SNR: ≥ 70dB
Frequency Response: 180Hz - 16kHz
Distortion: 0.5%
Impedance: 8?
Battery: 3.7V @ 600mAh rechargeable Lithium
Weight: 93g
Dimensions: 115(H) x 60(W) x 48(W)mm