Sennheiser CX True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Passive Noise Cancellation, Customizable Touch Controls, Bass Boost, IPX4 and 27-hour Battery Life, Black

The Sennheiser CX True Wireless Headphones let you enjoy superior crystal-clear sound, excellent battery life, and effortless ease of use for an outstanding everyday audio experience. 7mm dynamic drivers for 9 hours of playback time, 18 hours battery life

• Experience superior sound without compromise: Powered by German-made 7mm TrueResponse transducers with a wide range of Bluetooth codec support (AAC, aptX, SBC)
• 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.
• 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 iOS / Android allows earbud functionalities to be personalized for your everyday needs and enables smooth pairing; fully adaptable controls for music, calls and voice assistant