Denon Wireless Earbuds bring Sound Master tuning, supreme comfort and up to 24 hours of listening time to every moment, so you can make the moment yours. Blame it on the sound. Active Noise Cancelling and Sound Master tuning deliver best-in-class audio and a pure listening experience. Sweat and water-resistant without compromising sound or style, these earbuds have an IPX4 rating so you can keep listening during hard workouts or in the rain. Transparency Mode lets you simply tap the earbud, and the built-in microphone ensures you hear the outside world. Wireless earbuds Built-in microphone 4.49 5 G6 Delivery will be by our carrier, Royal Mail. A signature will be required, so if no-one is available they will leave a card to arrange a more suitable delivery time. They will not contact you prior to delivery. D False Sound 5.99 5.99 Denon AH-C830NCW Wireless Earbuds - Black | Kaleidoscope