Battery door is missing - QuietComfort® 15 Acoustic Noise Cancelling® headphones
Replacement Audio Cable Cord for Bose QC15 QC2 QuietComfort 15 2 Headphones With Lnline Mic Remote Control
Amazon.com: AHG Replacement QC35 Headband / QC35 ii Headband pad Cushion Cover. Compatible with Bose QuietComfort 35 Headphones (QC35) and Bose QuietComfort 35 ii Headphones (QC35 II) (Black) : Electronics
Geekria QuickFit Replacement Ear Pads for Bose QuietComfort 15, QC15,
How to Replace Bose QuietComfort 15 Headphones Ear Pads/Cushions | Geekria - YouTube
Amazon.com: Replacement Headband Cushions pad for Bose QuietComfort 15 QC15 QuietComfort 2 QC2 Headphones Repair Head Band Pads with Plastic Locking Clamps (Not Suitable for Others Headset)