ultifunction Text Reading Calculator with eBook Reader Video Music Player Privacy Screen One-key Lock Shortcut To Book Document Supports 24 Languages Mutil-function, not only calculator but also digital book reader. Comfortable E-BOOK, Text document reading Privacy Screen (Other people are difficult to read your display from side view.) One-key lock to Caculator using.(Shortcut to Caculator fuction) Shortcut from Calculator fuctions to Taxt reading. Special Privacy Function Different background to "protect" you and your eyes. Supports USB Charging and Data transfer. Easy to transfer text document to the device from computor. 900mAH Battery Video playback support: AMV, Music player: supports WMA, WAV, MP3 and other players. Photo browser: support JPEG, BMP, GIF. 4GB + Memory card Support 24+ language Color: Black Material: plastic Package Contents: 1 * Multifunctional Calculator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.