Approx APPMP4014GBB. Player media type: flash-media, Total storage capacity: 4 GB. Display: TFT, Display diagonal: 45.7 mm (1.8 "), Display resolution: 128 x 160 pixels. Audio formats supported: MP3, WAV, WMA, Video formats supported: AVI, Image formats supported: BMP, JPG. Headphone connectivity: 3.5 mm. Continuous audio playback time: 10 h, Battery technology: Lithium-Ion (Li-Ion)