Aluratek AEBK07FS. Diagonal: 177.8 mm (7 "), Technology: TFT. Document formats supported: ePub, FB2, PDF, TXT, Audio formats supported: MP3, WAV, WMA, Image formats supported: JPG, PNG, GIF, BMP. Internal storage capacity: 2 GB, Compatible memory cards: SD, Maximum memory card size: 32 GB. Interface type: USB 2.0, USB connector type: USB A. Battery technology: Lithium Polymer (LiPo)