Panasonic RP-BTS50 Wireless Earphones vs Sennheiser HD239 Wired Headphone comparison

Show Only Differences Highlight Differences	Panasonic RP-BTS50 Wireless Earphones	Sennheiser HD239 Wired Headphones
key specs
Colour	White	Black
Headphone Type	In-Ear	Over-Ear
Microphone	Yes	No
Connectivity	Wireless	Wired
Type	Earphones	Headphones
general
Brand	Panasonic	Sennheiser
Model	RP-BTS50 Wireless Earphones	HD239 Wired Headphones
Release date	April 12, 2017	November 8, 2012
Colour	White	Black
Type	Earphones	Headphones
Headphone Type	In-Ear	Over-Ear
Connectivity	Wireless	Wired
Model Number	RP-BTS50	HD239
product details
Microphone	Yes	No
Driver Size (mm)	12	-
Water Resistant	IPX5	-
Weight (g)	23.00	280.00
Cord Length (Metres)	-	1.4
Connector Size	-	3.5mm
sound features
Impedance (Ohms)	32	32
Frequency Response Range	18Hz-20,000Hz	16Hz-23,000Hz
Sensitivity (dB)	-	114
connectivity features
Bluetooth	Yes	No
Bluetooth Version	4.1	-
Bluetooth range (Metres)	10	-
battery features
Charging Time (Hrs)	6	-
Battery Life (Hrs)	15	-

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