CEEK 4d Advanced Quick Start Manual page 6

Charging Cable
Button:
When mobile phone plays music using audio cable, single click to play
or pause, double click to next track, triple click to previous track. If call
coming in, single click to pick up, press and hold for 2s to reject.
CEEK 4d Advanced
Headphones
3 pin for pluging
to headphone
AUX in
4 pin for pluging
to mobile
phone/PC
Audio Cable
Mic
Button
x1
x1
x2
x3
www.4dheadphones.com