Sony WH-CH520 Wireless Headphones vs Sennheiser CX 400 II Wired Earphones comparison

Show Only Differences Highlight Differences	Sony WH-CH520 Wireless Headphones	Sennheiser CX 400 II Wired Earphones
key specs
Colour	Black	Black
Headphone Type	On-Ear	In-Ear
Connectivity	Wireless	Wired
Type	Headphones	Earphones
Microphone	-	No
general
Brand	Sony	Sennheiser
Model	WH-CH520 Wireless Headphones	CX 400 II Wired Earphones
Release date	April 11, 2023	March 17, 2012
Colour	Black	Black
Type	Headphones	Earphones
Headphone Type	On-Ear	In-Ear
Connectivity	Wireless	Wired
Model Number	-	CX 400 II
product details
Driver Size (mm)	30	-
Weight (g)	147.00	249.00
Microphone	-	No
Cord Length (Metres)	-	1.2
Connector Size	-	3.5mm
sound features
Frequency Response Range	20Hz-20,000Hz	17Hz-22,000Hz
Impedance (Ohms)	-	16
Sensitivity (dB)	-	114
connectivity features
Bluetooth	Yes	No
Bluetooth Version	5.2	-
Bluetooth Codec Support	SBC, AAC	-
2.4GHz Wireless Connectivity	Yes	-
Bluetooth range (Metres)	10	-
battery features
Charging Port	USB Type-C	-
Charging Time (Hrs)	3	-
Battery Life (Hrs)	50	-

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