Superior sound, no compromise, powered by Sennheiser’s TrueResponse transducer, personalized with the built-in equalizer and Bass Boost.Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears.Specific uses for product : Travel,Sports and Exercise

Product Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears

Active Noise Cancellation and Transparent Hearing to block out noise or gain awareness of external sounds at a touch in any environment.

Customizable Touch Controls for music and voice assistant to match individual preference for intuitive operation, along with independent earbud use.

IPX4 splash resistance for trouble-free use while travelling, commuting or exercising.

Compact, ergonomic design with 4 ear adapter sizes to ensure optimal comfort and a secure fit for anyone.

Up to 24 hours play time - the 8-hour battery life that can be extended on-the-go up to an additional 16 hours with the charging case.