[. . . ] Micro SD/T-FLASH card slot 10. HOLD: Power on/off/Lock/Unlock button 11. Connect the PC USB port and the player USB port with the provided USB cable. The power sign is shown dynamic when charging, once full charged, the power sign will stop moving, power is full, please shut off the power. Your computer must be turned on while connected to your player for charging. [. . . ] Do not disconnect the player from your computer while transferring files, or it will cause damage to the player or data loss. Menu Navigation M button: Enter main menu, submenu, confirm or save button. Music Slide and hold theHOLDbutton in the direction of to turn power on and enter button. main menu interface, then select "Music" menu and enter by pressing M / It will display: Current Play, All Music, Artist, Album, Genre, My Favorite, Record, Dir List, MediaLib Update. Select the music files and press Music Playback Submenu In music playback mode, short press M button to enter into submenu and short press / buttons to select your desired mode (e. g. Select "EQ Sel" and short press M / / buttons to select your desired option (e. g. Short press M / 8 4. Short press R/V button to return. NOTE: EQ mode is not obvious while playing WMA format music files. User EQ Setup You can setup the EQ as your opinion, just need to pitch on the adjustment frame by pressingMbutton and then press / buttons to adjust. Video 1 In main menu, short press / buttons to select "Video" mode and enter by button. pressing M / 2 Select a video file and press M button to enter submenu: Open File, Delete File, Exit. button to play/pause, and press / 4 In Video playback mode, press button to turn to previous / next video one. In main menu, short press / buttons to select "Radio" mode and enter by button. pressing M / button to switch between "manual search" and "PRESET" mode. (At intervals of 0. 1 MHz); Or in "Preset" mode, press / button to select the preset stations (Total 30 preset stations). Short press M button to enter submenu: Search by Hand, Auto Search, Preset Mode, Save Channel, Delete Channel, FM Record. In FM record mode, you can press M button to save the FM recorded file, and button to start a new recording. Press R/V button to return to previous menu, or press and hold M button to return to main menu. In main menu, short press / buttons to select "Photo" mode and enter by button. Select a photo file and press M button to enter submenu: Open File, Delete File, Exit. Select a photo file and press file to open it, and press M button to enter the submenu: Rotate Right, Rotate Left, Zoom In, Zoom Out, Slide Show, then short button to confirm. Also you can long press R/V button to return to press M / normal display. In main menu, short press / buttons to select "EBook" mode and enter by pressing M / button. [. . . ] Press / buttons to select: 5 Seconds, 10 Seconds, 15 Seconds, 20 Seconds, 30 Seconds, Always On button to confirm. Short press / buttons to select the system language: CHI(Simp), English, Deutsch, Italian, Portuguese, Dutch, French, Spanish, Polish, Russian, Turkish, Czech, Denish, Japanese, Swedish, Korean, Hellenic, CHI(Trad), Thai, Hebrew. System Information: Select "System Information" and enter by pressing M / button, then you can see the Major version ID, Hardware ID, Local Memory Size, Card Memory Size information, etc. Short press / buttons to select the auto shut time: 3 Minutes, 5 Minutes, 10 Minutes, 15 Minutes, 20 Minutes, No Automatic Shutdown. [. . . ]