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Sennheiser - Digital Trends checked out the latest and greatest headphone and in-ear releases from Sennheiser at CES 2017. Full recap: http://www.digitaltrends.com/home-theater/sennheiser-hd1-hd-bt-440-hd-bt-450-wireless-headphones-ces-2017/ | Facebook
HD 450BT | Sennheiser
Pairing the headphones with a Bluetooth device
Sennheiser BT450 Headphones For $80 In Hudson, WI | For Sale & Free — Nextdoor
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Amazon.com: SENNHEISER HD 450BT Bluetooth 5.0 Wireless Headphone with Active Noise Cancellation - 30-Hour Battery Life, USB-C Fast Charging, Virtual Assistant Button, Foldable - Black : Electronics
