Bluetooth car kit is combines Bluetooth car charger and MP3 Player. You can Modulate channel the same as FM channel in the car so that you can play music in your phone. Besides, Hands-free call ensures safe driving and USB charging  provides charging for cell phones or tablet. With it, you and friends can enjoy music in the car.

Features:
[FM Frequency]
87.5 MHZ-108.0MHZ full frequency. can choose any frequency (when frequency point with car radio frequency is same) can work normally. 
[Bluetooth Music]
When the FM transmitter connected with mobile phone, open the phone and you can enjoy wireless music.
[Hands-free Call]
You can enjoy music or answer phone calls in hands-free mode without refit your car, which ensures driving safely. Answer, end, reject a call with one button, simply operation.
[USB Charging]
USB output to maximum DC 5V-2.1A which can be compatible with the mobile phone and tablet. Connect USB cable with cell phone or tablet when charging needed.
[LED Display]
LED display is easy to operate even in the dark side.

Specification:
Input Voltage:  DC 12V~24V             
Work Current:  <100m A（When do not charge for mobile phone or other devices）
Transmission Rate: 32K bps  320K  
FM frequency:  87.5 - 108.0MHz，0.1MHz as first grade
Frequency distortion degree: <1%
FM Transmission Distance: ≤3m
A2DP Transmission Distance: >5m
U disk compatible:  512m-16gb 
Bluetooth Vision:  V2.1+EDR
Support Bluetooth Protocol: A2DP / AVRCP / HSP / HFP
USB Output Current: ≤2.1A
USB Output Voltage: ≤5.2V±0.25V
Item Size: Approx.  6.8 * 3.9 * 3.9cm / 2.68 * 1.54 * 1.54in
Item Weight: Approx. 29g / 1.02oz
Package Size: Approx. 10 * 6.3 * 6.3cm / 3.94 * 2.48 * 2.48in
Package Weight: Approx. 60g / 2.09oz

Package List:
1 * Bluetooth Car Kit
1 * User Manual