The BookSense, model T50, is a digital talking book player, voice output electronic book reader, and digital recorder designed for use by individuals who are blind or have low vision. It can play audio books and reads digital text in a wide range of formats. Media file types supported include DAISY, NLS, Learning Ally, BookShare, Audible.com, NISO, MP3, MP4, WMV, FLAC, ASF, OGG, WAV, WAX, M4A, WMA and Apple iTunes. The BookSense also supports the following document types: TXT, HTML, XML, RTF, DOC, DOCX, BRF, BRL, and Microsoft Word 2003 and 2007. It has built-in stereo speakers and a stereo earphone jack as well as a built-in microphone and external microphone jack (for stereo recording). The unit has talking menus and tactile controls, and it can be controlled through voice input. There is an SD card slot, with a 2GB SD card included. The manufacturer offers free firmware updates for life. OPTIONS: Executive Products carrying case. POWER: Uses rechargeable lithium polymer battery that lasts up to 12 hours on a single charge; takes 2.5 hours to recharge by AC and 5 hours to recharge by USB. DIMENSIONS (DxWxH): 4.2 x 1.8 x 0.7 inches. WEIGHT: 0.25 pounds. COLOR: Red. WARRANTY/GUARANTEE: 2 Year manufacturer warranty.