The Bose QuietComfort Ultra Earbuds are premium wireless earbuds featuring breakthrough Immersive Audio technology that spatializes sound and places it in front of you for a theater-like listening experience. These earbuds deliver world-class active noise cancellation using CustomTune technology that analyzes your ear's shape and adapts both sound quality and noise reduction to your unique anatomy.

Key features include Snapdragon Sound certification with aptX Adaptive codec support for high-resolution audio, advanced Bluetooth 5.3 connectivity with multipoint capability to connect two devices simultaneously, and an adaptive microphone system that isolates your voice from background noise and wind. The earbuds offer up to 6 hours of battery life on a single charge, with the charging case providing three additional full charges. A quick 20-minute charge delivers up to 2 hours of playtime.

The QuietComfort Ultra Earbuds feature IPX4 water resistance for protection against sweat and splashing water, making them suitable for workouts and outdoor use. Nine combinations of eartips and stability bands ensure a comfortable, secure fit for any ear shape. Touch controls support taps, swipes, and long presses for intuitive playback and call management. The Bose Music app enables customization with a 3-band equalizer, multiple EQ presets, and control over noise cancellation modes.

Each earbud measures 31.2 x 20.1 x 24.4mm and weighs just 7.1 grams, while the compact charging case measures 66 x 59 x 27mm. The earbuds support single-bud use for calls and music with seamless switching between left and right buds. Compatible with VoIP apps including Teams, Zoom, and FaceTime for professional calling.