... *high quality usb A male to 3.5mm barrel jack dc cable :Allows MP3,CD, MD, walkman,,computer,,connect two headsets for ... allows you to simultaneously access to speakers and headphones (both two-channel stereo) and freely switch between achieving this. Quality definitely ... insert MP3,,CD, MD,,walkman,,computer, audio output port, and speakers or headphones are its two output ports can access. With ...