Take control of your wireless audio experience with the CX 400BT True Wireless In-Ear Headphones from Sennheiser. Utilizing the Sennheiser Smart Control app for iOS and Android devices, you can fully customize the functionality of the CX 400BT's TWS integrated touch controls. Both earbuds feature touch controls and you can set what a single, double, or triple-tap does, as well as what happens when you tap and hold the side of the earbud. Options include music management functions and engaging your phone's digital assistant software.

Sennheiser engineered the CX 400BT earphones to ensure what you play through the sounds as good as possible. Featuring 7mm dynamic drivers and support for multiple codecs, including aptX. With dual integrated MEMS microphones, these true wireless headphones can be used for more than music. Pair them with a smartphone for hands-free wireless calls or give voice commands to your phone's digital assistant. Music, calls and more can be enjoyed for up to 7 hours on a full charge, with an extra 13 hours provided by the included charging case.

• Dynamic 7mm Drivers
• Up to 7 Hours of Playback
• Charging Case with 13 Extra Hours
• Customize Touch Controls via App
• Bluetooth 5.1 & AptX