Hanvon WISEreader B630. Diagonal: 152.4 mm (6 "), Display resolution: 600 x 800 pixels. Document formats supported: DOC, ePub, HTML, PDF, TXT, XLS, Audio formats supported: MP3, WMA, WAV, Image formats supported: JPG, PNG, GIF, TIF, BMP. Compatible memory cards: microSD, Maximum memory card size: 32 GB. Interface type: USB 2.0, Microphone connectivity: 3.5 mm. Battery life: 8000 pages, Battery technology: Lithium Polymer (LiPo), Battery capacity: 1500 mAh