Functional definitions
1.Video button: short press the video button to switch to video mode; short press the video button under video to turn on/off the screen function.
2.Menu button: play the page in video mode, short press the menu button to view the file information, edit and select the playback mode and other operations.
3.Return button: short press the return button to return from the current page to the previous page.
4.Bluetooth shortcut: short press to switch Bluetooth mode.
5.Play/Pause button: in MP3 mode, short press the button, play, pause switch.
6.Next song: In video and music mode, short press the button to switch to the next song; long press to enter fast forward state, short press the button again to exit fast forward state. In radio mode, switch to the next radio station.
7.Previous song: in video and music mode, short press the button to switch to the previous song; long press to enter fast rewind state, short press the button again to exit fast rewind state. In radio mode, switch to the previous station.
8.SW button: short press to switch SW mode; long press SW to search stations automatically.
9.FM button: short press to switch FM mode; long press FM to search stations automatically.
10.MW button: short press to switch to MW mode; long press MW to search stations automatically.
11.Off/On button: push up to turn off; push down to turn on.
12.Headphone jack: Plug in your headphones to enter do-not-disturb mode.
13.DC 5V charging port: you can use the charging power cord delivered with the unit for charging.
14.USB interface: insert the U disk, you can play the U disk: video, music, e-books, pictures and other files.
15.Numeric [1-0] buttons: you can select the track you want to listen to by combining a single key and a number, and in radio mode, enter a number to select the desired radio frequency.
16.Tuning knob: In radio mode, rotate the tuning knob to listen to FM, MW, SW radio.
17.Volume knob: Clockwise to increase volume; counterclockwise to decrease volume.
18.[TF] card socket: Insert the TF card, you can play the TF card: video, music, e-books, pictures and other files.
1.When charging, the display battery symbol flashes; when fully charged, the battery symbol stays on for a long time.
2.Plug the charger connection cable into the DC 5V port to charge the battery inside the unit.
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