Archos Multimedia Player 504 160GB. Image formats supported: JPEG, BMP, PNG, Video compression formats: MPEG-4, Audio formats supported: MP3, WMA, WAV. Display: TFT, Display diagonal: 109.2 mm (4.3 "), Display resolution: 480 x 272 pixels. Weight: 315 g. Battery technology: Lithium Polymer (LiPo), Playtime internal battery: 5.5 h, Dimensions (WxDxH): 130 x 78 x 23 mm