Bose is adding two new all-wireless models to its QuietComfort lineup of noise-cancelling headphones. The QC Earbuds deliver industry-leading ANC using proprietary noise-cancelling technology. It offers 11 levels of noise control & 6 hours of playback with 2 full charges in the carrying case. The Sport model features all-new acoustics and a IPX4 waterproof & workout-ready design. Available Sept. 29.