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General Function Description
1. Master Volume : Turn to adjust master volume .
2. Treble Volume : Turnto adjust treble volume .
3. Echo E ect : Turn to adjust echo e ect .
4. Mic Volume : Turn to adjust mic volume .
5. Mode : To choose other mode when operating , sequence :
BT - Line in - USB - TF - FM , Priority to play in USB or TF card mode
when insert the USB or TF card
MP3 Function Description
1. USB : Playing when insert the USB which save with MP3 music
2. TF Card : Playing when insert the TF card which save with MP3 music
3. Repeat : While playing music in USB or TF mode ,press to repeat single
music or all music .
4. Play/Pause Button : In USB or TF mode , press to play or pause , in Line mode,
5. Skip - & + Button : While playing music in USB or TF mode, short press to go
Bluetooth Function Description
1. Pairing : Press mode button to Bluetooth mode , speaker will be under
automatic pairing mode and call out " Power on", LED display shows
"Br , pair the Bluetooth compatible device by selecting "M31" from
the listed devices, speaker will call out "Connected" after paired
successful,Bluetooth pairing system will be o if there is no device
connecting after 5 minutes.
2. Music Playing : Press Play/Pause , Skip + / - Button to play music .
press to mute .
back or forward music , long press to adjust volume .
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