Headphone
Specification
LED
Indicator
Light
Pairing꞉
Blue
and
red
lights
flash
alternately
Paired꞉
Blue
light
slowly
flashes
Playing꞉
Blue
light
slowly
flashes
Charging꞉
Red
light
turns
on
Full
Charge꞉
Blue
light
turns
on
Battery
Low꞉
Red
light
slowly
flashes
with
voice
prompt
ANC
ON꞉
Green
light
turns
on
Transparency
mode꞉
Green
light
turns
on
ANC
OFF꞉
Green
light
turns
off
*
Please
kindly
note
that
perhaps
sometimes
these
LED
indicator
light
color
will
be
mixed
to
become
other
colors(pink,purple,etc.)
occasionally.
Technical
Specification
•Product
name꞉
Srhythm
NC45
•Battery
capacity꞉
600mAh
•Input꞉
5V/1A
•Chip꞉
JL7018F
•Charging
time꞉
About
2.5
hours
•Bluetooth
version꞉
V5.3
•Use
time
(ANC
OFF)꞉
40
hours
•Use
time
(ANC
ON)꞉
33
hours
•Bluetooth
profile꞉
A2DP,
AVRCP,
HSP,
HFP
•Bluetooth
range꞉
15m/50ft
•Waterproof
rating꞉
IPX4
•Net
weight꞉
271g/0.59lb
•Impedance꞉
32
Ω
•Driver
diameter꞉
Φ40mm
•Frequency
response꞉
20–20KHz
11
Charging
Use
the
included
Type-C
charging
cable
to
connect
to
headphone
Charging
Port.
Connect
the
other
end
of
charging
cable
to
a
computer
USB
port
or
USB
wall
charger
under
6.3V
voltage.
Turn
off
headphone
Bluetooth
function
before
charging.
NOTE꞉
1.
Please
don't
use
the
headphone
during
charging
for
your
safety.
2.
Ambient
temperature
exceeds
the
charging
temperature
range
of
32°F
(0°C)
-
113°F
(45°C)
If
any
issues,
here
tips
for
you꞉
1.Please
full
charge
your
headphone
with
original
USB-A
to
USB-C
charging
cable
and
5-10W
power
wall
charger
(don't
use
fast
charger).
2.
Delete
Pairing꞉
Hold
"Volume
Up"
and
"Volume
Down"
Buttons
simultaneously
for
5
seconds
in
pairing
mode.
12