USER MANUAL
SPK-BT15
3
PRODUCT CONNECTIONS AND USE
No Button Name
Function
Operation
1
Microphone
Answering phone calls
Speak towards the microphone when
answering calls (hands free)
2
Memory button
Change modes
Press repeatedly to toggle between 1)
Bluetooth, 2) USB/SD CARD, 3) AUX and
4) Radio Modes.
3
Previous / Volume
down
Select previous song,
radio station or decrease
volume.
Press to select previous song or radio
station or press and hold to decrease
volume
4
Play / Pause
Play or pause song or
select next radio station
Press to begin playing a song or to pause,
or to select the next radio station.
5
Next / Volume Up
Select next song, radio
station or increase
volume
Press to select next song or radio station
or press and hold to increase volume
6
Digital display
Displays information for
all 4 modes (Bluetooth,
USB/SD CARD, AUX/LINE
and Radio)
* “SCH” is displayed
when toggling between
modes
“bLUE”: Connect new or connect to the
previous device. (An audio chime will
sound)
“NO d”: Displayed when no USB device
connected. (USB displayed when
connected)
[FM Radio]: Displays the station
frequency
“LINE”: Displayed when an auxiliary
audio device is connected via the 3.5mm
audio jack.
7
Charging indicator
Displays the charging
status
RED: When connected to a charger, this
light turns RED when charging
4
.
2 3
5
6
7
1