Sennheiser HD448 Wired Headphones vs Sony MDR-1RBTMK2 Wireless Headphones comparison

Show Only Differences Highlight Differences	Sennheiser HD448 Wired Headphones	Sony MDR-1RBTMK2 Wireless Headphones
key specs
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wired	Wireless
Type	Headphones	Headphones
Colour	Black	Black
general
Brand	Sennheiser	Sony
Model	HD448 Wired Headphones	MDR-1RBTMK2 Wireless Headphones
Release date	March 17, 2012	October 7, 2013
Type	Headphones	Headphones
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wired	Wireless
Colour	Black	Black
Model Number	HD448	MDR-1RBTMK2
connectivity features
Bluetooth	No	Yes
product details
Driver Size (mm)	-	40
battery features
Charging Time (Hrs)	-	6
Battery Life (Hrs)	-	30