Bluetooth handsfree car kit with MP3 FM transmitter

Bluetooth handsfree car kit

FM Frequency: 88.1 ~ 107.9MHz
Bluetooth Handsfree function: Automatic connection DSP&CVC technology
Supports Bluetooth A2DP/AVRCP Profiles
Voice prompts incoming call number
Support USB disk and AUX IN
Double USB output, Max 5V/2.1A
Display battery voltage and charging curren

Audio format: MP3/WMA/WAV/SBC
SNR: 68dB
Distortion: <0.1%
Frequency response: 20Hz-15KHz
Left and right channel separation: >60dB
Operating voltage range: DC 9~26V
Power consumption: <1W (No charging) 
Operating temperature: -10~70 Degree
Working humidity: 0~95%
Dimension: 11.5(L)*3(W)*1.8(H) CM
Net weight: 30g