Sennheiser 506410 Wireless Headset vs Sennheiser HD440 BT Wireless Headphone comparison

Show Only Differences Highlight Differences	Sennheiser 506410 Wireless Headset	Sennheiser HD440 BT Wireless Headphones
key specs
Colour	Black	Black
Headphone Type	On-Ear	Over-Ear
Microphone	Yes	Yes
Connectivity	Wireless	Wireless
Type	Headset	Headphones
general
Brand	Sennheiser	Sennheiser
Model	506410 Wireless Headset	HD440 BT Wireless Headphones
Release date	November 22, 2014	January 1, 2017
Colour	Black	Black
Type	Headset	Headphones
Headphone Type	On-Ear	Over-Ear
Connectivity	Wireless	Wireless
Model Number	506410	HD440 BT
product details
Microphone	Yes	Yes
Weight (g)	50.00	-
connectivity features
Bluetooth	Yes	Yes
Bluetooth Codec Support	-	aptX
battery features
Charging Time (Hrs)	1	-
Battery Life (Hrs)	8	-
sound features
Impedance (Ohms)	-	18
Sensitivity (dB)	-	113
Frequency Response Range	-	18Hz-22,000Hz

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