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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 (HD450BTBlack) - Newegg.com
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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 - White : Electronics
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Sennheiser HD 4.50BTNC review: Top notch hi-fi headset, with noise cancelling too | Technology News,The Indian Express
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Sennheiser HD4.50 BTNC review: Excellent noise cancellation and a fantastic battery life - The Economic Times
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