●
[
]
: Decrease the volume / previous track
Short press:
For previous song in U disk / Bluetooth mode
Long press
: To decrease the volume
。
Hearing alert when volume is in
lowest level
●
[
]
: Increase volume / Next track
Short press
: For next song in U disk / Bluetooth mode
Long press
: To increase the volume. Hearing alert when volume is in max
level
●
[DC 5V]:
Charging port
●
[USB ]:
Insert U disk to play music.
●
[AUX ]:
Directly plug audio cable to connect computers, digital music play-
ers, cell phones and other audio devices.
Bluetooth Mode
Turn on the unit, use your mobile phone etc. device search, select
“2BOOM-
BT422
” ,connect and pair to it. You will hear a short prompt when the
speaker is successfully connected.
Note:
The speaker will automatically reconnect to the last Bluetooth device it
was connected to . If a previously paired device does not auto-connect,
navigate to the Bluetooth settings menu on your device . Turn on the Blu-
etooth feature and select
“ 2BOOM-BT422” from your list of paired Blu-
etooth device
Charging
Plug the power cord into jack [DC 5V], the other end of the USB into the com-
puter's USB port, or connect a standard 5V 500mA charging interfaces, "red
light” will be on when charging.
The speaker built in overcharge protection circuit, can keep connected to a
computer port or charger for a long time, the battery will be fully charged for 3
hours. Playing time is up to playing volume.