1,USB2.0 High-speed
2,Bulit-in lithium battery

Discription:

Model Number:MP-247

1.MP3 and WMA playback
2.MP3 player without LCD
3.Alloy case with multiple color choices, USB2.0 High-speed 
4.Drop playback, timing turn off 
5.Accessories: manual, CD driver, USB line and earphone 
6.Bulit-in lithium battery
7.32MB to 8GB flash memory support