Approx APPMP34GBB. Player media type: flash-media, Total storage capacity: 4 GB. Audio formats supported: FLAC, MP3, WAV, WMA. Headphone connectivity: 3.5 mm. Continuous audio playback time: 7 h, Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 90 mAh. Weight: 12.6 g, Depth: 35 mm, Height: 9.5 mm