... 3,WU,T/T,L/C 2.4 inch digital photo frame with high quality1.best price2.Warranty:1 year3,WU,T/T ... 30pcsEasy Button Operation: ON/OFF, UP, DOWNCalendar, Clock, Alarm Clock, and Auto ON/OFFAuto Slide or Manual SlideTransmission Interface: USB1.1Power ... Supply: 2xAAA Battery or USB Cable Charging Operation System: Windows Vista / 2000 / ME / XP ...