Sennheiser PC161 Wired Headset vs iBall Collar B9 Wireless Earphones comparison

Show Only Differences Highlight Differences	Sennheiser PC161 Wired Headset	iBall Collar B9 Wireless Earphones
key specs
Colour	Black	Black
Headphone Type	Over-Ear	In-Ear
Microphone	Yes	Yes
Connectivity	Wired	Wireless
Type	Headset	Earphones
general
Brand	Sennheiser	iBall
Model	PC161 Wired Headset	Collar B9 Wireless Earphones
Release date	November 8, 2012	July 29, 2015
Colour	Black	Black
Type	Headset	Earphones
Headphone Type	Over-Ear	In-Ear
Connectivity	Wired	Wireless
Model Number	PC161	Collar B9
Inline Remote	-	No
product details
Microphone	Yes	Yes
Microphone Impedance (Ohms)	-38	-
Connector Size	3.5mm	3.5mm
Weight (g)	-	70.00
sound features
Impedance (Ohms)	32	-
Sensitivity (dB)	114	-
Frequency Response Range	15Hz-23,000Hz	-
connectivity features
Bluetooth	No	Yes
Bluetooth Version	-	4.1
battery features
Charging Time (Hrs) Earpieces Only	-	2

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