1.The cable supports two-way data transmission, when connected to set-top box, it can be used for updating and upgrading, simply operating. 2.Support multiple device connections: Receiving end Supportequipment: laptop/desktop/all-in-one computer/smart TV; Transmitter: set-top box radiator, mobile hard disk hard disk box, handwriting board, camera, car MP3 USB Digital camera 3.The difference between USB2.0 and USB3.0: USB2.0 transmission speed value can reach 60MB/s, while USB3.0 transmission speed value can reach 640MB/s (Note: the actual transmission value is related to computer hardware) 4. Superior material USB3.0 adopts 9 core tinned copper, braid and PVC, which is better in Conductivity, anti-interference, and transmission speed.