Sennheiser 504401 Wired Headset vs Sony MDR-7520 Wireless Headphone comparison

Show Only Differences Highlight Differences	Sennheiser 504401 Wired Headset	Sony MDR-7520 Wireless Headphones
key specs
Colour	Black	Black
Headphone Type	On-Ear	Over-Ear
Microphone	Yes	No
Connectivity	Wired	Wireless
Type	Headset	Headphones
general
Brand	Sennheiser	Sony
Model	504401 Wired Headset	MDR-7520 Wireless Headphones
Release date	April 18, 2016	February 16, 2016
Colour	Black	Black
Type	Headset	Headphones
Headphone Type	On-Ear	Over-Ear
Connectivity	Wired	Wireless
Model Number	504401	MDR-7520
product details
Microphone	Yes	No
Cord Length (Metres)	1	-
Weight (g)	58.00	270.00
Foldable	-	Yes
Connector Size	-	3.5mm
Microphone Impedance (Ohms)	-	24
sound features
Sensitivity (dB)	103	108
Impedance (Ohms)	-	24
connectivity features
Bluetooth	No	Yes