Operating Instruction

Volume up/down: Click the button then the volume will increase.
When the volume is turned to the maximum, it will loop back to the
minimum volume.You can also adjust the volume on your phone,
iPad, or computer.
Last: In music state, hold the volume button for 2 seconds to play
the last song;
Next: In music state, hold the multi-function button for 2 seconds to
play the next song;
Charging status:
1.When the headset is charged by using the SV charging stand, it
is turned off and cannot be started-up. The red light is always on
while charging, and the blue light is on when fully charged.The LED
light will go off within 5 minutes after full charge.
2. Connected to the computer with a data cable when the headset
on is charging. By default, it enters PC mode. At this time, you can
copy songs to the SD card and leave the headset on. Press the
power button three times to enter the SD card mode, you can play
the music in it. Press the function button twice to enter bluetooth
mode, reconnecting the bluetooth or waiting for connection.
3.Connected to the computer with a data cable when the headset
off is charging. But if you want to copy songs, you have to turn it on
and then operate in PC mode.