For Home and Mobile Audio Listening, Hybrid Noise-Canceling Technology, CustomTune Adapts to Your Ear Shape, Immersive, Spatial Audio Mode, Quiet and Aware Modes, 12 Mics for Crystal-Clear Calls, IPX4-Rated Water and Sweat Resistance, Bluetooth 5.3 Connectivity, Up to 30', Supports SimpleSync and Bose Music App, 3 Pairs of Eartips and Stability Bands. Give yourself options for enjoying immaculate audio anywhere you are with this B&H Kit that combines a pair of black Bose QuietComfort Ultra Wireless Headphones with a pair of matching true wireless earbuds. Experience immersive audio with the headphones when watching movies playing games or listening to your favorite music at home or break out the earbuds for top-notch sound on the go.