Sennheiser CX, True Wireless Earbuds: Bluetooth 5.2 In-Ear Headphones for Music with Passive Noise Cancellation TWS (CX)

Experience superior sound without compromise: Powered by German-made 7mm TrueResponse transducers with a wide range of Bluetooth codec support (AAC, aptX, SBC)

Long battery life: Get up to 27 hours of music playtime with on the go charging with the high quality case that comes with the product

Passive Noise Cancellation and light-weight ergonomic design: The ergonomic design offers optimal comfort and a secure fit with 4 ear adapter sizes for excellent passive noise cancellation

Full digital control: Our Smart Control App for i 0S / Android allows earbud functionalities to be personalized for your everyday needs and enables smooth pairing; fully adaptable controls for music, calls and voice assistant

Bass Boost: Special EQ pre-set can be activated via our app for more intense bass. Sennheiser uses decades of expertise to drive the world of audio technology forward for new, unique sound experiences

IPX4 splash resistance: Enjoy an outstanding audio experience no matter where you are

The CX True Wireless lets you enjoy superior crystal-clear sound, excellent battery life, and effortless ease of use for an outstanding everyday audio experience. Enjoy Sennheiser’s signature sound with our 7mm dynamic drivers for 9 hours of playback time, 18 hours battery life via on-the-go charging. Experience excellent passive noise cancellation provided by the secure fitting ergonomic design. Control on the go is effortless thanks to intuitive touch controls for audio, calls, and voice assistant access, while Bass Boost and the built-in EQ let you tailor the sound experience to your taste.

Important:

This is new version not the CX400 , its the CX True Wireless