Bose QuietComfort Ultra Earbuds (2nd Gen)

Bose QuietComfort Ultra Earbuds (2nd Gen) main image

Full Specifications

launch

monthJune
year2025
statusAvailable

dimensions

size30 mm × 12 mm × 18 mm
weight7.7

build

protectionIPX4 water/sweat resistance

features

typeTrue wireless in‑ear earbuds
compatibilityiPhone, iPad, Android, Windows, Bluetooth devices
detailsBose CustomTune personalized sound calibration Bose World‑class active noise cancellation with multiple listening modes (Quiet, Aware, Immersion) Bose Spatialized Bose Immersive Audio / Cinema Mode Bose Multipoint Bluetooth connectivity Bose Wireless charging case (Qi‑compatible) Bose Clearer call quality with adaptive voice pickup improvements

materials

colors

connectivity

bluetooth5.3
codecsSBC, AAC; aptX
wired_connectorUSB‑C (charging case)

app_support

battery

capacityInternal Li‑ion batteries
lifeUp to ~6 h per play session (ANC on) Bose Up to 4 h with Immersive Audio active
chargingUSB‑C cable; Qi wireless charging supported for the case

audio

driversProprietary dynamic drivers
ancadaptive active noise cancellation with Quiet, Aware, and Immersion modes
technologiesBose Immersive Audio (spatialized), CustomTune personal tuning

protection

ip_ratingIPX4 (light rain/sweat resistance)
water_resistanceSplash / sweat resistant (IPX4)

tracking

uwbNo
bleYes (BLE 5.3)
beeperNo
replaceable_batteryNo

controls

indicators

ledsStatus and charging LEDs on case and earbuds

platform_features

ports

descriptionUSB‑C (charging case)

standards

warranty

term1‑year limited manufacturer warranty (typical for Bose products)

sustainability

materialsStandard packaging