Sennheiser CX 400BT True Wireless Earbuds
Sennheiser’s CX 400BT True Wireless Earbuds not only sound good, but last all-day, and you can get a pair for $99.95 shipped, today only, originally $199.95. You can also personalize your listening experience with the Smart Control App, which lets you use built-in equalizers for an even more amazing sound quality. Customizable touch controls on both earbuds make it a breeze to enjoy a smarter and more connected lifestyle. Product page. Read more for a hands-on video review and additional information.


Sennheiser CX 400BT True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls - with Noise Cancellation and Customizable Touch Controls, White
870 Reviews
Sennheiser CX 400BT True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls - with Noise Cancellation and Customizable Touch Controls, White
  • Audio quality is our top priority: Experience great sound with a 7 millimeter dynamic driver and a wide range of Bluetooth codec support
  • Long battery life (20 hours) and comfortable wearing: Get up to 20 hours of music playtime with one charge - The ergonomic design​ offers optimal comfort and secure fit with 4 ear adapter sizes​​
  • Personalize to your everday needs: Fully adaptable controls for music, calls and voice assistant​ - Built-in audio equalizer​ adapts the sound to your personal preferences
  • Full digital control with our app: Our Smart Control app for iOS / Android​ allows all of the earphone functionalities to be modified to your personal choice
  • Enjoy outstanding sound quality no matter your mobile device or your surroundings with our wide range of audio codec support including AAC, aptX, SBC and passive Noise Cancelling

You’ll be able to get 20 hours of battery life, or 7 hours on a single charge and additional 13 hours with the included compact charging case. It’s great for those who enjoy diving into a long playlist, an audio-book or a phone call. Its touch-sensitive interfaces provide fast access to voice assistants such as Apple’s Siri and Google Assistant, as well as intuitive control of your music / calls.