Bluetooth FM transmitter with a hands-free car MP3 USB car charger

Technical parameters
The rated working voltage:12 v
The working voltage:9 ~ 26 v

The USB output:5 v / 3.1 A
Working temperature:0 ~ 50 degrees
Signal to noise ratio:> 60 db
The distortion degree of:< 0.1%
Frequency response:20 hz to 15 KHZ
Left and right channel separating degree:> 60 db
Bluetooth version:Version 2.1
The bluetooth voice processing :With A2DP (Advance Audio Distribution Profile) function
Bluetooth transmission distance:10 m.
Bluetooth phone range:0.5 to 2 m
FM transmission frequency:87.5 ~ 108 MHZ
Launch FM mode:A stereo digital PLL frequency lock