Sennheiser MB Pro 2 Wireless Headset vs Sennheiser 504575 Wireless Headset comparison

Show Only Differences Highlight Differences	Sennheiser MB Pro 2 Wireless Headset	Sennheiser 504575 Wireless Headset
key specs
Colour	Black	Black
Headphone Type	On-Ear	On-Ear
Microphone	Yes	Yes
Connectivity	Wireless	Wireless
Type	Headset	Headset
general
Brand	Sennheiser	Sennheiser
Model	MB Pro 2 Wireless Headset	504575 Wireless Headset
Release date	March 21, 2014	December 9, 2015
Colour	Black	Black
Type	Headset	Headset
Headphone Type	On-Ear	On-Ear
Connectivity	Wireless	Wireless
Model Number	MB Pro 2	504575
product details
Microphone	Yes	Yes
Weight (g)	82.00	-
sound features
Sensitivity (dB)	118	-
Frequency Response Range	150Hz-15,000Hz	-
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	4	-
battery features
Charging Time (Hrs)	2.5	-
Battery Life (Hrs)	15	-