Sennheiser CX 400BT Truly Wireless Bluetooth in Ear Headphone with Mic (Black) (Open Box)

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 treble. Plus, you can personalize your listening experience with the Smart Control App, which lets you play with built-in equalizers for an even more amazing sound quality.

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 lifestyle. 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. Any device.
No matter where you stand – iOS or Android – you’ll always get to enjoy the CX 400BT True Wireless earbuds. Thanks to our wide range of audio codec support including SBC, AAC and aptX, premium sound is guaranteed and with any mobile device.

Anytime. All the time.
No matter where you stand – iOS or Android – you’ll always get to enjoy the CX 400BT True Wireless earbuds. Thanks to our wide range of audio codec support including SBC, AAC and aptX, premium sound is guaranteed and with any mobile device.

Minimalist Design. Stylish comfort.
The CX 400BT True Wireless is made for those who enjoy diving into a long playlist, a lively audio-book or a loving phone call. Available in black and white they have an ergonomic design created for all-day comfortable wearing.