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Compare Bose Noise Cancelling Headphones 700 with Charging Case vs. Sennheiser HD 450BT

This is a side-by-side comparison of the specs of the Noise Cancelling Headphones 700 with Charging Case vs. the HD 450BT. Differences are highlighted in yellow.
Item Noise Cancelling Headphones 700 with Charging Case HD 450BT
Item image Item image
Active noise cancellation? Yes [x] Yes [x]
Weight 0.25kg [x]
Colour Black [x] / Silver [x]
Charging time 150min [x]
Audio cable length 106cm [x]
Height 20.3cm [x]
Battery life 20h [x]
Width 16.5cm [x]
Depth 5.1cm [x]
Bluetooth version 5 [x] 5 [x]
Wireless? Yes [x] Yes [x]
Connection type USB-C [x]
Folding? No [x]
Removable battery? No [x]
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