The Sennheiser CX True Wireless Earbuds deliver crystal-clear sound with deep bass. With an ergonomic design for superb wearing comfort and intuitive controls for maximum ease of use, you’ll have a first-rate listening experience at home or on the move. Passive noise cancellation Customisable touch controls TrueResponse transducer Built-in equaliser and Bass Boost Compact, ergonomic design IPX4 splash resistance Up to 27 hours of battery life Superior audio Wherever you are, whatever you do, enjoy your favourite tracks to the maximum with the bespoke TrueResponse transducer for crystal-clear sound. Intense groove With the Bass Boost added and the Built-in equaliser activated, you can have your sound your way. Skip the noise You can forget about your surroundings and get lost in the music or focus on your call thanks to the Passive Noise Cancellation. Easy to wear The eye-catching ergonomic design assures superb wearing comfort. And with ear adapters in 4 sizes, it’s easy to achieve a perfectly secure fit for any activity. At your fingertips Customisable touch control enables easy control of audio, phone calls and fast access to Siri and Google Assistant. Even in the rain Go outside at any time to have an outstanding audio experience, even when it’s wet, you can rely on their IPX4 splash resistance.