... your customer ,friend,and staff of your company 3-OEM is welcomed! you can imprint your company ... ,your logo image can be displayedSpecification1.Diagonal: 1.5 inch CSTN screen 2.Resolution: 128× 1283.Built-in memory: ... -6 hours playtime 9.Power supply: built-in 3.7V lithium battery or USB 5V supply 10. ... shut off 11.Interface : USB 2.0 12.Operation system: win2000,xp,vista and mac13.Colors : Red,pink14. ...