TEAC MP-255. Player media type: flash-media, Total storage capacity: 4 GB, Compatible memory cards: Micro SD. Display: LCD, Display diagonal: 45.7 mm (1.8 "), Display resolution: 160 x 128 pixels. Audio formats supported: MP3, WMA, Video formats supported: AVI, Image formats supported: JPEG, BMP, GIF, PNG, TIFF. Continuous audio playback time: 10 h, Battery technology: Lithium Polymer (LiPo), Battery recharge time: 2 h. Weight: 30.5 g, Depth: 7.8 mm, Height: 41 mm