Following are the Main Characteristics of USB/SD Card MP3 Recording Player :-
· High quality sound 128-192Kbps code rate recording
· MP3 format recording
· Instant replay
· LINE IN
· U disc OTG store and play
· LED recording status hint
· Recording finish automatically store
· Play, pause, stop , pre/next song, volume adjusting function
· LCM display
· Circuit STANDBY function

Electrical Property Parameter：
1. DC parameter
Input voltage:DC5V
Input current: not less than 500mA
Working current:90mA, insert U disk current about 150mA(Different U disk has different current)

2.Support store device
Support USB1.0 and USB1.1 full speed U disk，SD Card

3.Audio parameter
Support MPEG1 Layer1/Layer2/Layer3 decode
Support MPEG2/2.5Layer3 decode
Support all level WMA decode
Support recording MP3 format coding(Sampling frequency:44.1KHz, Code rate:128-192Kbps)
Support electret MIC input (Preamp inside)
Frequency response:20Hz-20KHz
THD<0.05%
S/N>85dB