Sennheiser PC166 Wired Headset vs Sennheiser MX685 Wired Earphones comparison

Show Only Differences Highlight Differences	Sennheiser PC166 Wired Headset	Sennheiser MX685 Wired Earphones
key specs
Colour	Black	Silver & Blue
Headphone Type	Over-Ear	In-Ear
Microphone	Yes	-
Connectivity	Wired	Wired
Type	Headset	Earphones
general
Brand	Sennheiser	Sennheiser
Model	PC166 Wired Headset	MX685 Wired Earphones
Release date	24th March 2012	3rd July 2013
Colour	Black	Silver & Blue
Type	Headset	Earphones
Headphone Type	Over-Ear	In-Ear
Connectivity	Wired	Wired
Model Number	PC166	MX685
product details
Microphone	Yes	-
Connector Size	3.5mm	-
Weight (g)	318.00	-
sound features
Impedance (Ohms)	16	-
Sensitivity (dB)	114	-
Frequency Response Range	80Hz-15,000Hz	-
connectivity features
Bluetooth	No	No