iDream PREMIO MP3 & Video Player 2GB FM Radio. Image formats supported: JPEG, BMP, Video compression formats: SMV. Display: CSTN, Display diagonal: 38.1 mm (1.5 "). Internal memory: 2048 MB. Weight: 41 g. Battery technology: Lithium Polymer (LiPo), Playtime internal battery: 5.5 h, Dimensions (WxDxH): 74.5 x 14 x 41 mm