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Sennheiser CX 400BT True Wireless Earbuds - Bluetooth in-Ear Headphones for Music and Calls - with Long-Lasting Battery Life and Customizable Touch Controls, White by Sennheiser - Used - Acceptable condition

Sennheiser CX 400BT True Wireless Earbuds - Bluetooth in-Ear Headphones for Music and Calls - with Long-Lasting Battery Life and Customizable Touch Controls, White

Brand: Sennheiser

Condition: Used - Acceptable
$7110
$26995
-74% Save $19885
Updated: 8 days ago

Description

• 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

• Sennheiser uses decades of expertise to drive the world of audio technology forward with every product - for new, unique sound experiences

• Included components: CX 400BT True Wireless, Charging case, USB-C charging cable, Silicone ear adapter sets (in size XS/S/M/L)

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Amazon Warehouse

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Product Details

SKU:
awhd-ca-b08dckfpqr
Model:
CX400TW1 White
Country:
CA
ASIN:
B08DCKFPQR
UPC:
615104346925

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $199 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Sennheiser products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

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