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Troubleshooting guide
Theear phones
will not switch on.
Make sure that thebatteries are charged.
See the Charging section above.
Thebattery
does not
charge.
Charging case
Make sure that:
• The computer is switched on and not in
standby mode, if you are using it as a
power supply.
• TheMicro-USB cable is properly connected
to both thecharging case and
thecomputer/charger.
Earphones
Make sure that:
• Thecharging case is charged.
• Theearphones are positioned correctly
in thecharging case with their contacts
mating with thecharging pins in thecase.
• Thelid of thecharging case is properly closed.
Won’t connect
to (pair with)
theexternal
device.
• Place theearphones next to thedevice
that you are trying to connect them to.
Make sure that:
• All devices are switched on.
• TheBluetooth function is enabled on
thedevice you are trying to connect to.
Poor or
no sound.
• Check thevolume on theconnected
Bluetooth device.
• Make sure that theBluetooth connection
has been properly established.
• Test playback from your telephone without
it being connected to your earphones to
check that it works.
• Try playback using another file or track, theone
you are attempting to play may be corrupt.
• Make sure that no other wireless devices
are disrupting your Bluetooth connection.
• Make sure that your telephone is within
the10 m reception range of theearphones.