Serial number location - QuietComfort 35 wireless headphones I
Bose QuietComfort Ultra Over-Ear Headphones - Black 17817846172 | eBay
Bose QuietComfort Wireless Noise Cancelling Headphones, Bluetooth Over Ear Headphones with Up To 24 Hours of Battery Life, Cypress Green - Limited Edition: Amazon.co.uk: Electronics & Photo
Bose QuietComfort 45 Review | PCMag
Bose QuietComfort Earbuds II – Refurbished | Bose
Bose Headphones 700 review: Bose Noise Cancelling Headphones 700 review: Balanced audio, excellent clarity - The Economic Times