The Bose QuietComfort 35 (QC35) is a flagship over-ear wireless headphone celebrated for its world-class active noise cancellation and premium acoustic performance. This Costco listing is a store display unit, bundled with TRR (Take-and-Replace Ready) informational cards used for in-warehouse product presentations, making it a unique configuration available at select Costco locations.

The QC35 delivers a rich, balanced sound profile wire-free via Bluetooth and NFC pairing, while the signature Bose noise-cancellation technology blocks ambient sound to keep listeners focused. A built-in noise-rejecting dual-microphone array ensures clear hands-free calls. The plush over-ear cushions and lightweight headband provide extended wearing comfort during long listening sessions.

Battery life reaches up to 20 hours per wireless charge, with an additional 40 hours available in wired mode via the included 3.5mm audio cable. The headphones also support the Bose Connect app, which unlocks additional features such as customizable noise-cancellation levels, product tips, and voice prompts. The package includes a carrying case and USB charging cable. Originally sold from 2016 to 2020, the QC35 remains a sought-after model renowned for its comfort and noise-cancellation effectiveness.