Comfortable all-day listening with amazing sound quality and customizable features.
Take your sound anywhere with Sennheiser CX 400BT True Wireless earbuds. Whether you’re in the mood for calming tunes or crave some thrilling beats, the bespoke drivers of the CX 400BT True Wireless deliver high-fidelity sound with deep bass, natural mids and a clear, detailed treble. Plus, you can personalize your listening experience with built-in equalizers to enjoy amazing sound quality that’s tailored to you.
Tune In, Switch Off
For those who always like to be on the ball, on the beat, and on-call, the customizable touch controls on both earbuds make it easy to enjoy a smarter and more connected life. The touch-sensitive interfaces provide fast access to voice assistants such as Siri and Google Assistant, as well as intuitive control of your music and calls.
Premium Sound from Any Device
No matter where you stand – iOS or Android – you’ll always get to enjoy the outstanding sound quality of the CX 400BT True Wireless earbuds. Thanks to our wide range of audio codec support including SBC, AAC and aptX, premium sound is guaranteed with any mobile device.
Play All Day Long
Never miss a beat with 20 hours of battery life. True Wireless earbuds get 7 hours of play on a single charge, plus an additional 13 hours with the small, sleek and compact charging case. The CX 400BT True Wireless earbuds ensure you get premium sound wherever you go.
Minimalist Design, Stylish Comfort
The CX 400BT True Wireless is made for those who enjoy diving into a long playlist, a lively audiobook or a loving phone call. Available in black and white, they have an ergonomic design created for all-day, comfortable wearing.
Tune In, Switch Off
For those who always like to be on the ball, on the beat, and on-call, the customizable touch controls on both earbuds make it easy to enjoy a smarter and more connected life. The touch-sensitive interfaces provide fast access to voice assistants such as Siri and Google Assistant, as well as intuitive control of your music and calls.
Premium Sound from Any Device
No matter where you stand – iOS or Android – you’ll always get to enjoy the outstanding sound quality of the CX 400BT True Wireless earbuds. Thanks to our wide range of audio codec support including SBC, AAC and aptX, premium sound is guaranteed with any mobile device.
Play All Day Long
Never miss a beat with 20 hours of battery life. True Wireless earbuds get 7 hours of play on a single charge, plus an additional 13 hours with the small, sleek and compact charging case. The CX 400BT True Wireless earbuds ensure you get premium sound wherever you go.
Minimalist Design, Stylish Comfort
The CX 400BT True Wireless is made for those who enjoy diving into a long playlist, a lively audiobook or a loving phone call. Available in black and white, they have an ergonomic design created for all-day, comfortable wearing.