Features: MP4 music player - Matte material body, non-slip, simple MP3 style. Support TF card - No memory in the body, maximum support for 32G memory card. Multiple play modes - Support music, radio, recording, video, e-book, built-in stopwatch function. Comes with a card slot, plug and play, support MP3 music format and AMV video format. Built-in 180mAh polymer lithium battery for 6-8 hours of continuous playback. With breakpoint resume function. The default language is English, built-in 24 languages can be switched at will. Easy to operate - Awesome seven button design, one-button menu, one-button return function. Adjustable power-saving mode and sleep mode, perfect partner for listening songs at night. Specification: Type: MP4 Screen size: 1.8 inches Memory card type: TF card Expansion card: support Interface: USB2.0 Audio format: MP3 Screen color: color screen Weight: Approx. 73g Size: Approx. 7 * 5 * 0.8cm / 2.8 * 2 * 0.3in Package list: 1 * MP4 1 * Charging Cable 1 * Headphone Cable 1 * Colored Box Note: Please allow slight error due to manual measurement. Thanks for your kind understanding. Instructions: In the upper right corner of the M (menu) button, press to bring up the menu interface; The back button in the lower right corner: Short press to exit the menu or volume setting, long press to exit to the main menu mode; LAST button on the left: Short press to switch to the previous file, long press to rewind. NEXT button on the right: Short press to switch to the next song file, long press the fast forward function. The + button above: Volume plus, or move the menu selection up; The - button below: Volume down, or move the menu selection down. The middle button is the play button, short press to play pause, long press to turn off. .