Main features:  
1)The material of the shell is specialized used for plane, so it can be proof corrade of water
2)Support mp3,wma format
3)Built-in rechargeable battery
4)Capacity:512Mb to 4GB

Packing details:
1PC/1 gift box,100PCS/Carton
N.W.: 11KG/Carton
G.W.: 12KG/Carton
Carton size: 45 x 34 x 25.2cm