![Amazon.com: Sennheiser CX True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Passive Noise Cancellation, Customizable Touch Controls, Bass Boost, IPX4 and 27-hour Battery Life, Black : Electronics Amazon.com: Sennheiser CX True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Passive Noise Cancellation, Customizable Touch Controls, Bass Boost, IPX4 and 27-hour Battery Life, Black : Electronics](https://m.media-amazon.com/images/I/61lV0xcVp1S._AC_SL1500_.jpg)
Amazon.com: Sennheiser CX True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls with Passive Noise Cancellation, Customizable Touch Controls, Bass Boost, IPX4 and 27-hour Battery Life, Black : Electronics
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Sennheiser CX 400BT True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls - with Noise Cancellation and Customizable Touch Controls, Black : Everything Else
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Sennheiser CX 400BT True Wireless review: New premium earbuds sound great but are a bit chunky - CNET
![Sennheiser CX 400BT True Wireless review: New premium earbuds sound great but are a bit chunky - CNET Sennheiser CX 400BT True Wireless review: New premium earbuds sound great but are a bit chunky - CNET](https://www.cnet.com/a/img/qfx0kLkMqEcaPva4ux721bQQzvo=/2020/09/01/fc69eea0-f27c-4f76-bee1-24019e0c2080/sennheiser-cx-400bt-15.jpg)
Sennheiser CX 400BT True Wireless review: New premium earbuds sound great but are a bit chunky - CNET
![Sennheiser CX 400BT True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls - with Noise Cancellation and Customizable Touch Controls, Black : Everything Else Sennheiser CX 400BT True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls - with Noise Cancellation and Customizable Touch Controls, Black : Everything Else](https://m.media-amazon.com/images/I/51O0OFy6izL._AC_SL1200_.jpg)
Sennheiser CX 400BT True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls - with Noise Cancellation and Customizable Touch Controls, Black : Everything Else
![Sennheiser CX 400BT True Wireless review: New premium earbuds sound great but are a bit chunky - CNET Sennheiser CX 400BT True Wireless review: New premium earbuds sound great but are a bit chunky - CNET](https://www.cnet.com/a/img/resize/a8a1f75c24ed022946a04fbc102cfb65b641153e/2020/09/01/51e435fd-e8b7-45c4-87d5-09713b90a8c6/sennheiser-cx-400bt-true-wireless-product-shot-in-use-white-2.jpg?auto=webp&fit=crop&height=299&width=532)