The Curve 7 features smooth curved edges, screen displays of almost 7-inches, a resolution of 480×234 pixels and various functions for displaying images on the screens. It beautifully showcases images in full screen, as thumbnails or as a slide show. Different transition effects enhance the presentation of digital images when viewed in slide show mode. The Curve Photo Display features rotate and zoom functions and is compatible with SD and MMC storage cards. In addition,it features a USB OTG interface so all USBS devices compatible with OTG such as USBS sticks, portable hard disks or digital cameras can connected directly to the picture frames to view images stored on any of those devices.