Better sound. Better control.
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.
Anytime. All the time.
Never miss a beat throughout the day with 20 hours of battery life – 7 hours on a single charge and a further 13 hours with the small, sleek and compact charging case. The new CX 400BT True Wireless earbuds are designed to ensure you get premium sound wherever you go.
• 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 customizable 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