The Specs

Physical Attributes
Weight 8.11 oz
Battery and Other Features
Battery Life 20 hour(s)
Battery Size AAA
General
Product Type Headphone
Headset Type Stereo
Headphone Type Ear-cup|Over-the-head
Quick Glance
Product Type Headphone
Headset Type Stereo
Headphone Type Ear-cup|Over-the-head
Type of Wireless RF
Warranty
Warranty Information 2 Year
Wireless
Wireless Transmitter Range 328.1 ft
Type of Wireless RF
More Info
URL http://www.sennheiser.com
Performance
Sensitivity 106 dB
Signal To Noise Ratio 65 dBA
Overall Min Frequency Response 22 Hz
Overall Max Frequency Response 19.50 kHz

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