1.5 inch Digital Photo Frame ,1. Screen: 1.5 inch CSTN LCD. 2. Solution: Appotech 3. Resolution: 128 x 128 Specification: 1. Screen: 1.5 inch CSTN LCD ... : BMP, JPEG, PNG, GIF. 6. Interface: USB 2.0 7. Photo storage: 80pcs 8. Operation system: WINXP, WIN2000, WIN98, WIN VISTA ... . 9. Buttons: Menu, UP and Down three buttons 10. Key operation: Power, USB connect, Slide show, Auto off, LCD contrast ...