The Specs

Physical Attributes
Weight 10.59 oz
Additional Specifications
Diameter (Speaker Element) 1.57"
Quick Glance
Interface Connection Mini-phone
Headphone Type Over-the-head
Type of Wireless RF
General Features Nickel Plated
Warranty
Warranty Information 1 Year
Wireless
Wireless Transmitter Range 150 ft
More Info
URL http://www.sony.com
Performance
Sensitivity 100 dB
Overall Min Frequency Response 10 Hz
Overall Max Frequency Response 22 kHz

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