Sennheiser HD 4.40 BT Wireless Headphones: Unboxing & First Look

We unbox Sennheiser’s HD 4.40 BT Wireless Headphones, featuring Bluetooth with NFC pairing, deep bass to 18Hz, and aptX Hi-Fi sound. They’re also foldable for travel.

UK: https://amzn.to/2LsKtWb
International: http://geni.us/v5myEI

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