3ft Extension Cable
3ft USB extension cable. Use this to position your USB IR Transceiver where you want it, instead of in the back of your computer so you can aim the IR receiver towards where the IR light is coming from.
Doubles the number of transmit channels on USB IR Transceiver (socket & hybrid versions) by splitting USB IR Transceiver’s stereo 3.5 mm socket into two mono 3.5 mm sockets for use with IR Emitters
. Only necessary if you want to use two channels per socket. For one channel per socket, IR Emitter can be connected directly into socket on USB IR Transceiver (but please read about setting the channels