Sennheiser CX 686i Wired Earphones vs Sennheiser M2MEI Wired Earphones comparison

Show Only Differences Highlight Differences	Sennheiser CX 686i Wired Earphones	Sennheiser M2MEI Wired Earphones
key specs
Colour	Green	Black
Headphone Type	In-Ear	In-Ear
Microphone	Yes	Yes
Connectivity	Wired	Wired
Type	Earphones	Earphones
general
Brand	Sennheiser	Sennheiser
Model	CX 686i Wired Earphones	M2MEI Wired Earphones
Release date	March 30, 2014	March 15, 2016
Colour	Green	Black
Type	Earphones	Earphones
Headphone Type	In-Ear	In-Ear
Connectivity	Wired	Wired
Model Number	CX 686i	M2MEI
product details
Microphone	Yes	Yes
Microphone Impedance (Ohms)	-44	-
Cord Length (Metres)	1.2	-
Connector Size	3.5mm	-
Weight (g)	-	16.00
sound features
Impedance (Ohms)	20	-
Sensitivity (dB)	118	-
Frequency Response Range	18Hz-20,000Hz	-
connectivity features
Bluetooth	No	No