Bose QuietComfort 45 Wireless Headphones vs Sennheiser CX 280 Wired Earphones comparison

Show Only Differences Highlight Differences	Bose QuietComfort 45 Wireless Headphones	Sennheiser CX 280 Wired Earphones
key specs
Headphone Type	Over-Ear	In-Ear
Microphone	Yes	Yes
Connectivity	Wireless	Wired
Type	Headphones	Earphones
Colour	-	Black
general
Brand	Bose	Sennheiser
Model	QuietComfort 45 Wireless Headphones	CX 280 Wired Earphones
Release date	April 8, 2022	March 16, 2016
Type	Headphones	Earphones
Headphone Type	Over-Ear	In-Ear
Connectivity	Wireless	Wired
Colour	-	Black
Model Number	-	CX 280
product details
Microphone	Yes	Yes
Weight (g)	445.00	12.00
Cord Length (Metres)	-	1.2
Connector Size	-	3.5mm
connectivity features
Bluetooth	Yes	No
Bluetooth Version	5.1	-
Bluetooth range (Feet)	30	-
battery features
Charging Port	USB Type-C	-
Charging Time (Hrs)	2.5	-
Battery Life (Hrs)	24	-
sound features
Impedance (Ohms)	-	16
Sensitivity (dB)	-	120
Frequency Response Range	-	19Hz-20,500Hz