Trekstor eBook Player 5 (M). Diagonal: 127 mm (5 "), Technology: TFT, Display resolution: 800 x 480 pixels. Document formats supported: ePub, PDF, TXT, Audio formats supported: MP3, OGG, WAV, WMA, Image formats supported: BMP, GIF, JPG, PNG. Internal storage capacity: 4 GB, Compatible memory cards: microSDHC, Maximum memory card size: 32 GB. Interface type: USB 2.0, Headphone connectivity: 3.5 mm. Continuous reading time: 8 h, Continuous audio playback time: 30 h, Battery technology: Lithium Polymer (LiPo)