Features:Thin 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, with built-in 24 languages to 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: MP4Screen size: 1.8 inchesMemory card type: TF cardExpansion card: supportInterface: USB2.0 Audio format: MP3Screen color: color screenWeight: Approx. 73gSize: Approx. 7 * 5 * 0.8cm / 2.8 * 2 * 0.3inPackage list:1 * MP41 * Charging Cable1 * Headphone Cable1 * Colored BoxNote: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..