Aimed at those who want the very best sound for traveling, working or relaxing, the Denon AH-C830NCW is designed to deliver class-leading audio quality from compact, lightweight, True Wireless earphones. Active noise cancelling let's you enjoy the sound of silence while you can be sure to have up to 24 hours of listening from the clever charging case. Amazing sound quality with Denon Sound Master tuning Designed for those who demand superior audio whether commuting, working out or relaxing at home. Denon Sound Master tuning guarantees the renowned powerful yet detailed sound you are looking for in your music, entertainment and phone calls. Active noise cancelling with transparency mode The Denon next-generation active noise cancelling (ANC) system uses dual microphones in each earbud to reduce or eliminate ambient noise in your environment. Transparency Mode lets you simply tap the earbud, and the built-in microphone ensures you hear the outside world. Extended battery life with convenient charging case Enjoy up to six hours of wireless Bluetooth music listening from one full charge and up to 24 hours total by re-charging the earbuds using the convenient charging case. The included USB-C cable lets you charge the lithium-ion battery in the case from any USB charger or computer USB port. Light and ergonomic design True Wireless earbuds should fit perfectly to your ear without hurting or falling out. Denon AH-C830NCW have been carefully designed using extensive ear canal simulations to find the perfect shape and come with three different sizes of silicone ear tips. Superior voice quality for phone calls and video conferences The AH-C830NCW features beamforming function with two microphones that work together with the earbuds digital signal processing to capture and transmit your voice clearer than traditional omnidirectional microphones. A third microphone takes advantage of the ear canals natural shielding against windy or noisy environments to capture and transmit your voice clearly as it resonates through your body. Easy pairing with up to eight devices When you open the charging case lid for the first time, the earphones will automatically turn on and activate pairing mode. Just select "DENON AH-C830NCW" on your Bluetooth device to connect. Up to eight devices can be paired with the press of a button and will be stored, so pairing only needs to be done once. Google Fast Pair Google Fast Pair Service uses Bluetooth Low Energy to discover nearby Bluetooth devices without using significant phone battery power. Sweat and water resistant (IPX4) Denon AH-C830NCW headphones are safe for wear even during rain or heavy workouts. They were tested under controlled laboratory conditions and have a rating of IPX4. Sweat and water resistance are not permanent conditions and resistance might decrease because of normal wear.