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Features:
100% Brand new and high quality!
This product is a special Bluetooth car charger that can switch the call to the hands-free state via the professional Bluetooth module as long as the mobile phone is provided with the Bluetooth function. 
When the call is finished， it will be switched to the music play automatically. 
It can also send the music in your phone to your car sound w8irless. 
You can enjoy the music and answer the call in hand-fee mode without refitting your car， which ensure the driving safety while enjoying music. 

Specifications:
Bluetooth: Version 2.1
FM Transmission Frequency: 87.5MHz-108MHz
FM Mode: Stereo digital PLL frequency locking
Profiles: Supports A2DP
Frequency Response: 20Hz-15KHz
Degree of Distortion: <0.1%
Signal to Noise Ratio: >60dB
USB Output: 5V/3.1A
Operating Temperature: 0 - 50 Degree
Voltage (Operation): 12V
Dimensions: Approx. (L) 10.5cm x (W) 5cm x (H) 3.2cm
Colour: Black 

Package includes:
1 x Bluetooth Car Charger FM Transmitter with Power Socket