Bose QuietComfort Ultra Earbuds 2nd Gen – Premium ANC, Spatial Audio & Ultimate Comfort Key Features: Class-Leading Active Noise Cancellation (ANC): Cuts out background noise for a deep, quiet listening experience, ideal for travel, work, and study. Immersive Spatial Audio: Creates a wider, more realistic soundstage that feels like audio is coming from all directions. CustomTune Sound Calibration: Automatically adjusts sound to your ears for balanced lows, mids, and highs. Clear Calls with Adaptive Mics: A six-mic system reduces wind and surrounding noise for crisp voice quality. Ultra-Comfort Fit: Soft stability bands and angled nozzles ensure a secure, fatigue-free fit for long listening sessions. Strong Battery Life: Up to 6 hours per charge with ANC, plus multiple recharges with the case. Multi-Point Bluetooth: Connect two devices at the same time and switch seamlessly. IPX4 Water Resistance: Protects against sweat and splashes for workouts and outdoor use. Full Specifications: Category Details Model Bose QuietComfort Ultra Earbuds (2nd Gen) Driver Type High-efficiency custom Bose drivers ANC World-class Active Noise Cancellation with CustomTune Audio Tech Bose Immersive Audio, spatial audio Transparency Mode Aware Mode with ActiveSense Microphones 6-mic system with noise-reduction Battery (Earbuds) Up to 6 hours (ANC On) Battery (Case) Additional multiple charges; USB-C Charging Time ~2 hours for earbuds, ~3 hours for case Quick Charge 20 minutes = 2 hours playback Water Resistance IPX4 (sweat & splash-resistant) Bluetooth Version Bluetooth 5.3 Codec Support SBC, AAC Multi-Point Yes (dual device) Controls Touch App (Bose Music App) Ear Tip Sizes S/M/L stability bands and tips Weight Earbuds: ~6g each (approx.) Colors Black, White Smoke, Stone Blue (may vary by region)