4. Regarding the settings of multifunctional button

A: "Multifunctional button" refers to the button below the volume "-" button on the side of X3MKIII. Go to "play settings>Multifunctional button", uses the touch wheel or previous/next track to see different options and press the "OK" button in the middle to confirm. The setting includes 4 options: Playback control, EQ, Jump list and Theme. 

Playback control: 
1. Click the button once to play/pause
2. Quick click twice to switch to next song, quick click three times to switch to previous song
3. Cick twice and hold the button at the second time to fast forward
    Click third times and hold the button at the third time to fast backward

EQ: 
1. Click the button once to switch to next EQ  
2. Click twice to switch to next EQ  
3. Hold the button to turn off EQ

Jump List: 
1. Click once to switch to next playlist/folder  
2. Click twice to switch to previous playlist/folder

Theme: 
1. Click once to switch next theme  
2. Switch twice to switch to previous theme.