3、Movie: Play movie and other video files directly
4、Bluetooth: Enter Bluetooth mode
5、Previous song: upward direction, long press is the previous song
6、Settings: enter the local system settings interface
7、Confirm: confirm to enter the corresponding function
8、Left / rewind: left, long press is rewind
9、Next / Next: Down, long press is the next song
10、Play / Pause: Play or pause the playing track
11、Cut song: switch the next song (some models do not have this feature)
12、Number keys: 0-9 number keys
13、Recording: enter the recording function (some models do not have this feature)
14、Mute: Turn off the speaker sound
15、Time switch: Hourly time switch (some models do not have this feature)
16、Screen switch: turn off or light the display
17、Mode: switch in the movie / music / radio / Bluetooth / etc mode U disk or TF card
18、Accompaniment: switch the original singing and accompaniment (and track the same key
function)
19、Music: Play music files directly
20、Radio: Into the FM radio mode
21、Menu: bring up the corresponding mode menu
22、Right / fast forward: to the right, long press fast forward
23、Back: Return to previous menu or main interface
24、Karaoke ok: play karaoke tracks
25、Selected: Karaoke track has been selected (some models do not have this feature)
26、Delete: delete selected karaoke tracks (some models do not have this feature)
27、Repeat: Repeat or repeat all the tracks
28、E-book: direct access to read e-book mode
29、Photo: Direct access to photo playback
30、Volume -: adjust the main volume
31、Volume +: Increase the main volume