Users Manual

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During a call, press and hold the volume up button for 3 seconds,
the green light will be on and accompanied by a beep sound,
indicating that the silent mode is turned on or off;
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Short press the multi-function button to play/pause the music;
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Short press the volume up key to increase the volume, long press
the volume up key to switch to the next song; the maximum
volume is accompanied by a "Di Di Di" prompt;
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Short press the volume down key to decrease the volume, long
press the volume down key to switch to the previous song; the
minimum volume is accompanied by a "Di Di Di" prompt;
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In any state, insert the data cable into the PC or mobile phone
(with an OTG adapter), read it to the U disk, and copy the required
songs or data files to the device;
Precautions:
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to any mobile phone.
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and keep it dry and not short-circuited.
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otherwise it may cause fire, electronic breakdown or even
complete damage to this product.
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device, unplug the charger, and do not charge more than 12 hours
continuously.