To better know and use the Dacom HF004 in-ear Bluetooth headphones, here is a full description of features.

Power on

In the off state, long press the MFB button about 3 second.

Answer a Call

Short press the MFB button to answer the call while there is a incoming call.

Hang up a Call

Short press the MFB button to hang up on calling or dialing number .

Reject a Call

Long press the MFB button to reject the call while there is a incoming call.

Last Number Redial

Double click the MFB button while headphone standby status or music playing status to give a call to the last number which called before.

Adjust Volume

When listening to music or calling, short press volume +/ -, and the volume is increased/ down by one grid.

Switching Songs

When listening to music, long press the volume -/ + for about 1 second to play the last/ next song.

Play/Pause

Short press the headphone MFB button or hot key to play/pause music.

Inside/ Outside Play Music

Earphones can be flipped by 180°, and the 0-90°of the earphone is in the Inside mode, and the over 90° is in the outside mode.

Switch Languages

Click the MFB button three times to switch languages between Chinese and English.

Reset

In the pairing state of the headphone, three-click volume + and volume - at the same time. The blue light flashes twice, and the voice will prompts “du du” .