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LED
lights up
green
pulses
yellow
lights up
yellow
lights up
red
flashes
red
If the LED display does not light up:
• Clean the contacts on the earbuds and in the charging case
(> 38).
• Make sure that the charging case rests on the wireless
charging station (maximum distance 3 mm).
• Wait for at least 10 seconds. With some wireless charging
stations the charging process starts delayed.
• Observe the installation instructions of the wireless
charging station and make sure that no electromagnetic
fields or materials influence the charging station (see
instruction manual of the wireless charging station).
• Charge the rechargeable batteries of the charging case and
the earbuds until the LED display lights up again (at least 30
minutes) (> 16).
Overview of the LED indications of the
earbuds
Charging case WITH
earbuds inserted
Earbuds are fully
charged, charging
case is more than
50 % charged.
Earbuds are being
charged via the
rechargeable bat-
tery of the charging
case.
Earbuds are fully
charged, charging
case is less than
50 % charged.
Rechargeable bat-
teries of the earbuds
and the charging
case are almost
empty.
At least one earbud
has a charging
error/battery error
(> 40).
MOMENTUM True Wireless 4 | 9
Product overview
Charging case
WITHOUT earbuds
inserted
Charging case is
more than 50 %
charged.
–
Charging case is
charged less than
50 %.
Rechargeable bat-
tery of the charging
case is almost
empty.
Charging case has a
charging error/bat-
tery error (> 40).
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