Wireless (Cordless), RF, Consumer, Stereo, Over the Head, 22 Hz - 19500 kHz, 106 dB, Battery Life: 25 Hours
Sennheiser RS 120 Consumer Wireless Headphones - The RS 120 is an open, supra-aural wireless RF headphone system. Its transparent and well-balanced sound with great bass response makes this system an ideal choice for all types of music and TV applications.