Logitech UE 4500 Wireless Headphones vs Sennheiser HD239 Wired Headphones comparison

Show Only Differences Highlight Differences	Logitech UE 4500 Wireless Headphones	Sennheiser HD239 Wired Headphones
key specs
Headphone Type	Over-Ear	Over-Ear
Microphone	Yes	No
Connectivity	Wireless	Wired
Type	Headphones	Headphones
Colour	Black	Black
general
Brand	Logitech	Sennheiser
Model	UE 4500 Wireless Headphones	HD239 Wired Headphones
Release date	November 11, 2013	November 8, 2012
Type	Headphones	Headphones
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wireless	Wired
Colour	Black	Black
Model Number	UE 4500	HD239
product details
Microphone	Yes	No
Cord Length (Metres)	-	1.4
Connector Size	-	3.5mm
Weight (g)	-	280.00
connectivity features
Bluetooth	Yes	No
sound features
Impedance (Ohms)	-	32
Sensitivity (dB)	-	114
Frequency Response Range	-	16Hz-23,000Hz