MP3/FM player:
1.3D sound technology with 2.0 channel
2.3.5mm audio output jack
3.Power Voltage: USB/DC 5V

MP3/FM player descriptions:

Functions:

1.support USB 5V power supply
2.3.5mm audio output port 
3.support FM/TF card /USB
4 .with LED display                                                  

Package:

1.packing: plastic holder+gift box+carton box                        
2.Qty/Carton:90pcs
3.product size:55*104*15mm
4.gift box size:106*31*111mm
5.carton size:356*290*320mm
6.N.W:5.9kg;G.W:8.75kg
7.CMB/CTN:0.033m³ 

Accessories:

1.3.5mm audio output jack

Parameters: 

1.Power :  3W
2.Frequency Response :  90Hz-20K Hz
3.Distortion:  <0.30%
4.S/N:  >70 dB
5.Separation:  >45 dB
6.Full  Frequency Speaker: 3”