Immerse yourself in amazing sound quality thanks to Sennheiser’s unique 7mm dynamic audio drivers and personalize your audio experience with the built-in equalizer and the Sennheiser Smart Control app.
Manage your music, make calls or trigger the voice assistant with customisable touch-sensitive technology built into both earbuds.
Enjoy outstanding sound quality no matter your mobile device with our wide range of audio codec support including AAC, aptX and SBC.
Experience non-stop play time with a 20 hours of battery life – 7 hours on a single charge and a further 13 hours via the charging case.
Dive into your favorite music for as long as you like with an ergonomic design made for all-day wearing.
- CX 400BT True Wireless earbuds
- Charging case
- USB-C charging cable
- Silicone ear adapter sets (XS/S/M/L)