Features:
1. FM transmitter 
2. LED display window 
3. LINE audio input 
4. Independent Bluetooth start /shutdown button 
5. Support playing music by USB disk 
6. Support MP3/WMA music format 
7. Answer /hang up/reject/redial via Bluetooth 
8. Bluetooth stereo music play 
9. Call Echo Cancellation and Noise Reduction(CVC) 
10.USB output voltage, provides power to other devices up to 5V/2.5A 
11. Automatic memory function of power failure frequency point 
12. Display of on-board battery voltage 

Parameters:
Material: Engineering plastics 
Rated working voltage: 12V-24V 
Limit working voltage: 9-262V 
USB output:2.5A 
Working temperature: 0-50C 
Play format: MP3 WPA 
SNR: >60dB 
Frequency response: 20Hz-15 KHz 
Bluetooth version: 2.1+EDR 
Bluetooth sound processing: A2DP (Advance Audio Distribution Profile)function support 
Bluetooth transmission distance: 10M 
Effective distance of Bluetooth microphone: 0-2M 
FM frequency: 87.5-108 MHz 
FM mode: Stereo digital PLL frequency locking 

Packing list:
1 x Car charger 
1 x USB charging cable 
1 x English user manual
Packing list:
1 x Car charger 
1 x USB charging cable 
1 x English user manual