1、Support to browse JPEG, BMP format pictures, 128*128 size, can not zoom. 2、With e-books, music, video, recording, radio, pictures, stopwatch, calendar, pedometer and other functions. 3、E-books support TXT reading format, each line can show 9 Chinese characters, full screen 9 lines 81 words. 4、E-books have four background theme modes: eye-protection mode, invert mode, classic mode and dark light mode, it can be switched in the e-book general menu.(Press P to see the status of the e-book list) 5、E-books have automatic memory, bookmark to increase the function of selection. Features: Support to browse JPEG, BMP format pictures, 128*128 size, can not zoom. With e-books, music, video, recording, radio, pictures, stopwatch, calendar, pedometer and other functions. E-books support TXT reading format, each line can show 9 Chinese characters, full screen 9 lines 81 words. E-books have four background theme modes: eye-protection mode, invert mode, classic mode and dark light mode, it can be switched in the e-book general menu.(Press P to see the status of the e-book list) E-books have automatic memory, bookmark to increase the function of selection. E-books can be set up to automatically play, can adjust the progress function. You can switch to the time interface and lock with one button (short press M button in reading state), you need to unlock after locking to continue reading. Bluetooth 4.0, it can connect Bluetooth headset. Specifications: Material: ABS Size: Approx. 4.7*4*1.2cm/1.85*1.57*0.47inch E-book format: TXT Working Time: 4-6h Operation mode: Keypad operation, no touch screen Battery Capacity: 350mAh Memory: 4G Bluetooth: 4.0 Package list: 1 x E-Book Reader 1 x Instructions 1 x Charging Cable 1 x Earphone Note: No memory expansion allowed.