How to change the battery on the Bose QC25 headphones - YouTube
Wireless Bluetooth-compatible Adapter For Bose QC15 QC 15 Wireless Bluetooth-compatible For Bose QuietComfort 15 Receiver aptX - AliExpress
Bose headphone repair - wire came off battery connector, unable to re-solder back down. Help appreciated with ideas on making wire longer and reconnecting! Thanks! : r/ElectronicsRepair
Bose QuietComfort 15 Active Noise Cancelling Headphones Review - Reviewed
REVIEWED: Bose QuietComfort 15 active noise-cancelling headphones - Travgear.com