... 3.hi-fi quality 4.OEM&ODM service 2012 best selling silent disco dj / IR / bluetooth Wireless ... headset),silent disco(dj headphone), bluetooth headset with mic.,Infrared in car headphone, and home ... headband headphone). All of them are stereo with S/N more than 75db and distortion less ... turned on)Specification: Package:Power adapter, audio cable(with 3.5mm jack plug),RCA cable Picture: transmitter ...