4. Power bank function
Plug the USB cable on DC
out port, then can charge
the mobile phone.
Function list
1. Headset Call
Binaural mode: Call status, only the main headset (left headset)
has sound.
Single ear mode: Call status, single headset has sound (left and
right headphones can work separately) .
Coming call status: Single click to answer the call, long press for
two seconds to reject the call.
Standby status: Double-click the main-headset (left headset)
key, will dial back the last number automatically.
Call Status: Single click the key to hang up the call, double-click
the key to transfer the call to the phone.