Bose QUIETCOMFORT 35 Owner's Manual page 26

T R O U B L E S H O O T I N G
Problem
No audio from a device
connected by the back-up
audio cable
Poor sound quality from
a device connected by
audio cable
Battery won't charge
2 6 - E N G L I S H
What to do
• Power on your device and play music.
• Secure the ends of the back-up audio cable.
• Increase the volume on your headphones, your Bluetooth® device
and music source.
• Connect a different device.
• Secure the ends of the back-up audio cable.
• Connect another device.
• Secure the ends of the USB charging cable.
• If your headphones have been exposed to high or low
temperatures, let the headphones return to room temperature
and try charging again.