SOLDOUT USB IR Infrared Remote Control Receiver Transporter Extender Repeater Emitter USB Adapter For Audio TV Set Top BoxSpecification: USB cable Length from to Receiver: Approx. 137 cm / 53.94"Cable Length Receiver Transmitter To: approx 198 cm / 77.95" Supply power: 5VSuitable for TV set, STB, DVD, DVR, PVR, video recorder, satellite receiver, and so onNote: Do not support windows 10 Instructions: Insert the "USB plug" into the set-top box, TV, mobile phone charger, etc. (This product uses a 5V power supply)Point the "transmitting end" to the receiving window of the set-top box, receiver, DVD, etc. that needs to be remotely controlled (some devices will indicate R, IR, IRF, etc.)Place the "receiver" in a suitable position for easy reception by the remote controlPlacing the transmitter end near the remote control receiving window of the applianceThe receiving end is attached to a position where the remote control signal is easily received (the receiver should face the transmitting direction of the remote controller, and the direction is too biased to affect the receiving effect)Finally, plug in the power to use. Package Includes: 1 x Infrared Remote Control Receiver IR Extender