Audio-Technica ATH-CKS550BT Wireless Earphones vs Sennheiser PC166 Wired Headset comparison

Show Only Differences Highlight Differences	Audio-Technica ATH-CKS550BT Wireless Earphones	Sennheiser PC166 Wired Headset
key specs
Headphone Type	In-Ear	Over-Ear
Microphone	No	Yes
Connectivity	Wireless	Wired
Type	Earphones	Headset
Colour	Blue	Black
general
Brand	Audio-Technica	Sennheiser
Model	ATH-CKS550BT Wireless Earphones	PC166 Wired Headset
Release date	15th February 2017	24th March 2012
Type	Earphones	Headset
Headphone Type	In-Ear	Over-Ear
Connectivity	Wireless	Wired
Colour	Blue	Black
Model Number	ATH-CKS550BT	PC166
product details
Microphone	No	Yes
Connector Size	-	3.5mm
Weight (g)	-	318.00
sound features
Impedance (Ohms)	16	16
Sensitivity (dB)	105	114
Frequency Response Range	5Hz-24,000Hz	80Hz-15,000Hz
connectivity features
Bluetooth	Yes	No
battery features
Battery Life (Hrs)	3	-