Marquant MME-1. Technology: TFT, Display resolution: 800 x 480 pixels. Document formats supported: pdf, epub, Audio formats supported: MP3, WAV, OGG, FLAC, APE, Image formats supported: JPG, PNG, GIF. Internal storage capacity: 4 GB, Compatible memory cards: SD, Maximum memory card size: 16 GB. Interface type: USB 2.0. Battery capacity: 2900 mAh