The Singing Machine SML645BT Instruction Manual page 7

Connection
Connecting to AC Power
Connecting to Line In Jack
To External Unit
AUDIO OUTPUT
/ HEADPHONE JACK
Disco Lights
u
Insert the AC power cord into a
conveniently located AC outlet
having 120V AC, 60Hz.
Note:
Make all connections before
connecting to AC power.
Connect an external device
by using an appropriate cable
(3.5mm audio cable not included)
as shown.
Note:
See page E17 to select and use
the Line In function.
1
Press the Light button to switch on
the lighting effect, press again to
switch off.
— E6 —