Car MP3 player card AUX Bluetooth receiver music playback hand-free calling

This product is a car Bluetooth hands-free car charger MP3 player. It adopts high-performance professional-grade Bluetooth module 4.0+EDR and built-in MP3 decoding chip. It can play music files in USB flash drives and TF cards and wirelessly transfer them to car audio. If your Bluetooth phone can automatically switch to hands-free calling state when a call comes in, and automatically switch back to music playing state after the call ends. You can also transfer MP3 music from your mobile phone to your car stereo through wireless transmission. No need to modify your car, you can easily enjoy music, hands-free phone calls and entertainment while driving.
1.Bluetooth version 5.0, support Bluetooth call, Bluetooth music transmission, caller number
2 Support TF Card / U disc player and card reader function, support MP3/WMA format music
3 Double USB charging port 2.1A can expand the portable device function, suitable for all mobile phone, tablet and other electronic products charge
4 1.3 inch LED dot matrix screen, display frequency point, file name, and working state information
5 Support one key menu setting language, playback mode, and sound mode
6 Support power failure memory and folder playback
7 AUX output function, open display voltage
8 One button switch, pause, listen / Hang / listen / down key
9 FM emission frequency 87.5-108.0MHZ
Product parameters
Rated working voltage: 12V-24V
Limited working voltage: 8-27V
USB output: Dual USB output 5V/3.1A
Working temperature: 0-50 degrees
Charging identification: USB2 supports 5V/2.1A
Voltage detection accuracy +_1V
Signal-to-noise ratio>60dB
Distortion <0.1%
Frequency response 20Hz-15Khz
Left and right channel separation>60dB
Bluetooth versionVersion4.0+EDR
Bluetooth sound processing
A2DP (Advance Audio Distribution Profile) function
Bluetooth transmission distanceLess than 10M
Bluetooth microphone effective distance0.5-2M
FM transmitting frequency87.5-108.0MHZ
Transmit FM modeStereo digital PLL frequency locking