wireless infrared headphone

infrared headphone Specifications:1.Mainly used for PC/appliances/portable DVD, etc.2,The transmitter directly connect USB port or the source of electrical appliances, don't need fixed any driver; 3.The headphone have charge function and charging protection circuit, and also can be used as the second wired headphone function; 4. Headphone's design with the structure of human body: 5.Transmission adopt the infrared beneficial to human body; 6.The carrier frequency:2.3/2.8MHZ 7.Power Supply: AAA1.5X28.Consumption Current: <25mA 9.Power:AAA1.5x2 10.Passed CE,FCC,ROHS certification 11. Apperance has applied for patentsFeatures:1) Infrared wireless stereo headphone for car audio systems2) Folding Design3) Compatible with all vehicle AV applications4) Auto mute and auto power off function available for headphones5) Effective range up to 10 meters6) Ultralight weight design for comfortable wearing with adjustalbe headband7) Numbers of headphones can be used simultaneously in the car8) Personal volume control