Instructions
1. Take out the main machine, set up the belt(there are two iron on the opposite sides of main
machine), put the main machine on your shoulder, you can adjust the length of belt to put the main
machine on the suitable position..
2. Put your headset microphone on your head, adjust it to 1-2 cm from your mouth, put the microphone
head into the main machine’s MIC jack, then slowly adjust the volume to your satisfied volume.
3. When play music, adjust the master volume, avoid to play the loudest sound for long time, or it will
make you feel upset and speed the ageing of components.
Please attention:
1. For the best sound effect, we suggest charge the power full for the first time using.
2. When LED display screen’s “lack of power” symbol appears flashing, please recharge the time or it
will happen no voice.
Function Operational Manual
1. REC Mic: When you record, please near to the REC Mic.
2. REC: when insert the USB/TF/Micro SD card, please press it is for recording, when recording, press
again is for stop recording and play the recording content automatically.
3. MODE: short press is for switch of USB, TF/Micro SD ,FM function ,AUX-IN, BLUE-
CONNECT FUNCTION ; BLUE-CONNECT FUNCTION :Firstly ,press MODE to switch to BLUE-
CONNECT FUNCTION ,it will come out BEEP sound and the LED light will be twinkled blue
color .Secondly ,when the LED light stop twinkle please open your BLUE-CONNECT FUNCTION in
your mobile phone and search BL3221 device to paired devices.Thirdly , it will come out BEEP
sound again after the BLUE-CONNECT FUNCTION successful pairing . long press is for one song or