The USB cable has to be connected to both your TV and the transmitter so the transmitter will have power. Just the right size to hang keys and small items. I already have this same shoe in British Tan. ???? Slide the cable in the hole provided and slide into position, adjust the clutch so that the 6 settings dont pull out the cable. My phone will no longer be falling off my bike onto the floor during my rides! I have them stacked but did not add the top shelf due to space in our closet. The song I tested between these headphones was Ocean Man by Ween, because of the formidable range in pitch. It simply sounds better than any full-functioned multi-channel receiver I?ve owned when used for home theater, which is the way Im using it . It is a very nice product similar to the first generation of the apple AirPods which fits in my ears nicely.