USB port 1 output :5V/1A U disk playback
Sensitivity :-42DB+/-3DB
Frequency response :20Hz-20Khz
Bluetooth version :5.3
Frequency :2.402-2.480GHZ
Operating temperature :0-50 degrees
Rf output :4DBM
Standby current :25MA (Max)
Battery voltage accuracy: error ±1V
USB port 2 Output :5V/2.4A
Bluetooth transmission distance: less than 10M
Music format :MP3/WMA/WAV
Rated operating voltage :12V~24V
Product list:1pc Car MP3 Player
Separation of left and right channels: > 60dB
Bluetooth microphone effective distance :0.5-2M
Support USB flash drive :1-32G
Working current :45MA (Max.)
FM transmission frequency :87.5MHz-108.0MHz
Bluetooth sound processing: With A2DP (Advance Audio Distribution Profile) function
Signal to noise ratio :> 60dB
Distortion degree :< 0.1%
Launch effective distance :2M
Sensitivity :-92DB
TYPE-C Output :5V/2.4A
Product size :4.6*4.23*7.36cm (1.81*1.67*2.90in)