... .5-2.4 Inch Digital Photo FrameMODEL:K828Patent No.:200730342510.8 Key Specifications/Special Features1.Diagonal: 1.5 inch screen (Solution: ... calendar functions7.Rechargeable Lithium battery with about 4 hours playtime 8.Power supply: built-in 3.7V lithium battery or USB ... Green,Blue,Purple and so on 13.Accessories: USB cable, key buckle, instruction manual and white box etc (With stainless steel ...