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R Firmly connect one end of the USB charging cord to a computer or separately sold USB PD
supported AC adapter (USB Type-C connector), and the other end to the charging terminal of
the charging cradle.
R If you are using a computer USB port, confirm that the computer supplying power is on. It will
not charge if the computer is in standby or sleep mode. (If it still does not charge, try another
USB port on your computer.)
R If this unit does not charge even after trying the measures above, remove the USB charging
cord and insert it again.
The charging cradle does not charge wirelessly.
R Is the charging cradle placed properly on the wireless charger?
→ If it is not placed properly, charging may be slower or may stop. For information about the
charging position, please refer to the manual of the wireless charger.
R Charge at a room temperature between 10 °C to 35 °C. Higher room temperatures may result
in longer charging times. Depending on your wireless charger, charging may be slower or may
stop.
The earphones do not charge.
R Are the charging terminals of the earphones dirty?
→ Wipe off the dirt.
“Clean the charging terminals of the earphones”, Page 59
R Are the earphones properly inserted into the charging cradle?
“Charge the earphones and charging cradle at the same time”, Page 18
R If you are using third-party earpieces, you may not be able to charge them with the included
charging cradle. Use the included earpieces.
The earphones or charging cradle is warm while charging.
R Although the earphones or charging cradle may get warm while charging, it is not a
malfunction.
R If the charging cradle is not placed properly during wireless charging, the wireless charger,
earphones, and charging cradle may get hot. For correct placement, please refer to the
manual of the wireless charger.
The earphones don’t turn on. The earphones don’t work.
R Turn them off and then on again. (Put them in the charging cradle, wait about 15 seconds, and
then take them out.)
“Turn the earphones on/off”, Page 21
R Are the touch sensors disabled?
“Disable the touch sensors”, Page 39
“Customize the touch sensors”, Page 39
Music doesn’t pause and the touch sensors aren’t disabled even after I take off the
earphones.
R At default settings, the music pauses and the touch sensors are disabled when you take off
the earphones.
→ Check the headphone fitting sensor settings.
“Set the headphone fitting sensor”, Page 38
→ If the wear sensors are dirty, music may not pause or the touch sensors may respond to
unintended operation. Wipe off any dirt on the wear sensors with a dry, soft cloth.
R When putting the earphones down on a desk, etc., the earphones may be detected as being
worn or music may be played if the wear sensors are close to the desk. To prevent erroneous
operation, take care to keep the wear sensors away from the desk, etc. when putting the
earphones down.
The wear sensors don’t work.
R The wear sensors may not work if they are dirty or moist. Wipe off any dirt and moisture with a
dry, soft cloth.
47
FAQ
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