Infrared Wireless headphone

Infrared Wireless headphone Description: Ultra lightweight design High quality ear cushions for wearing comfort One transmitter can cover two or more headphones simultaneously Volume control and Power on/off built on headphone Auto mute function on headphone Auto power off when no signal Ultra lightweight designHigh quality ear cushions for wearing comfortOne transmitter can cover two or more headphones simultaneouslyVolume control and Power on/off built on headphoneAuto mute function on headphoneAuto power off when no signal Specification: Infrared Wavelength: 850nm Carrier Frequency: R-ch 2.8MHz / L-ch 2.3MHz Effective Length: Approximately 10 meters (straight) Speaker: 40mm mylar cone Impedance: 32ohms Frequency Response: 20-20,000Hz Modulation: +/-75KHz Distortion: <1% S/N ratio: >/=55dB Power Supply: Transmitter: DC12V/200mA; Headphone: DC3V (AAA x 2) Adeadas Electronic Co Ltd is a native manufacturer specializing in electronic products, including Headphone,earphone,Mini radio, Pedemeter and USB Series.