Super Chager with FM MP3 Player BC10 Dual USB:

1. FM transmitter
2. LED display screen
3. Independent Bluetooth start/shut down button
4. Answer/hang up/reject/redial the call Bluetooth
5. Bluetooth stereo music play
6. Call Echo Candellation and Noise Reduction (CVC) technology
7. Dual USB ports， provide power to other devices and the maximum output is 5V/4.2V
8. Automatic memory function 

Note: Without remote control 

Technical Specification:               

1.BT Version 2.1

2.Rated operating voltage 12V

3.Working voltage limits 9~26V

4.Frequency Response 20Hz-15Khz"