User's Guide

Wandfu
- 2 -
Type of Jack
Type of Jack
diagram
Control of Microphone
Control of right channel
2-section
single side
earpiece
Built-in Microphone is on.
Need to switch off the right channel to save
power consumption. Press “+” and “-“ at
the same time. The right channel will be
turned off and the red light flashes three
times.
3-section
stereo earpiece
Press “+” and “-“ until red/blue light flashing
to turn on right channel
4-section
stereo earpiece
Built-in Microphone is off and out
Microphone is on.
Press “+” and “-“ until red/blue light flashing
to turn on right channel, outside
microphone is on while plug in the socket.
Remark： Channel control and microphone may be different with different type of Jack.
Button Operation Summary
Button Operation
Function
Press the Power button for 3 seconds/8 seconds
Switch ON/OFF
In the power off status, press the power button for 8 seconds
Bluetooth Pairing
In the power on status, press “PTT” and “_” for 10 second
Clear up the paired record
Connection with computer with USB, press power button and “+”
button for 3 seconds
Upgrading program
In paired status, press “PTT” button
PTT function
In working status, press “+”button
Long press for volume increase and short press for next song
In working status, press “-“ button
Long press for voice decrease and short press for previous
song
In power on status, press the “+” and “-“ at the same time
Red light flash 3 times for right channel off and Red/blue flash
3 times for right channel on.
Main Features
1. Push To Talk Function
1) Connect with Dellking Bluetooth adapter/dongle or the relevant cell phone PTT APP.
2) One Key for PTT function.
3) State LED indicator.