User's Manual

28 - ENGLISH
TROUBLESHOOTING
Problem What to do
Poor sound quality
• Use a dierent music source.
• Pair a dierent mobile device.
• Disconnect the second device.
• Move the device closer to the headphones, and away from any
interference or obstructions.
• Clear any debris or wax buildup from the earbuds and headphone
nozzles.
No noise
cancelling
• Make sure the power is switched on. The power indicator should glow
solid green.
Noise cancelling
won’t adjust
• Turn the headphone’s power o and then on again.
• Charge the headphones.
Headphones don’t
charge
• Open the hinged door on the bottom of the right earbud and securely
connect the small end of the USB cable to the USB connector. Make
sure the connector on the cable is correctly aligned with the connector
on the headphones.
• Secure both ends of the USB cable.
• If your headphones have been exposed to high or low temperatures,
let the headphones return to room temperature and then try charging
again.
StayHear

+ tips
falling o
Securely attach the tips to the earbuds (see “Changing the StayHear+
tips” on page 15).
Lost StayHear+ tip
Contact Bose

customer service for replacement tips.