Bose QuietComfort 35 QC35I Wireless Noise Cancelling Headphones Series I - Refurbished Cosmetic Condition:Grade A- - Very Good they can loosen

they can loosen

the cause is usually not the speaker

Bluetooth Board Replacement

Speaker driver tested and fully functional

see our Beats Solo 2 and Solo 3 right side no sound repair kit before replacing the speaker

Bose QuietComfort 35 QC35I Wireless Noise Cancelling Headphones Series I - Refurbished Cosmetic Condition:Grade A- - Very Good they can loosenFeatures: World class noise cancellation makes quiet sound quieter and music sound better. Bluetooth and NFC pairing so you can connect to your devices wirelessly. Volume optimized EQ gives you balanced audio performance at any volume. 20 hour battery life per charge; up to 40 hours in wired mode. Noise rejecting dual microphone system provides clear calls, even in windy or noisy environments. Premium materials make them lightweight and comfortable