Sennheiser CX 400BT True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls - with Noise Cancellation and Customizable Touch Controls, black: Amazon.co.uk: Everything Else
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Sennheiser CX 400BT True Wireless Earbuds - Bluetooth In-Ear Headphones for Music and Calls - with Passive Noise Cancellation and Customisable Touch Controls, White: Amazon.co.uk: Electronics & Photo
Sennheiser's CX 400BT offer premium sound at an affordable price
Sennheiser CX 400BT review: Amazing wireless sound for $100
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Sennheiser CX 400BT Black True Wireless Bluetooth Earphones | True Wireless | Free shipping over £20 | HMV Store