Product FAQ for SEENDA HKC306 (HED-532)& HKC309 (HED-586)

About Cable

Connection cable

It is the 3.5mm Audio cable

About buttons function

MFB Button:

Short Press: Answer/Hang UP/Play/Pluse

Double Press: Next Track

Triple Press: Previous Track

dB Button

Support 85dB and 94dB adjustment.

About Sound/Micro

How should I do if no sound/one ear is deaf

Volumn up the voice on your device first, and try to unplug the cable and fully re-plug in it on another device to see if this works.

Microphone not work

Please unplug the cable and fully re-plug in it on another device, make sure the MIC (on your device)  is turned on, then close to the microphone dot on the cable control to see if this works.