User manual Bose QuietComfort 15 (English - 12 pages)
Bose Quiet Comfort 15 headphone repair. - YouTube
Bose Headphone Repairs | Free Shipping Both Ways
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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