High-speed plug-in USB2.0 splitter supports hot-swappable HUB hub USB extension one for four Product description Classic design, beautiful shell, support hot swap, low power consumption. The product is suitable for U disk, card reader, USB mouse, USB keyboard, scanner, digital camera, digital video camera, USB sound card, hard disk box, etc. Generation USB HUB controller, no need for drivers, plug and play, supports up to 127 USB devices, all use first-class high-quality electronic devices to ensure the product works stably. (Hi-speed) USB2.0 interface, the theoretical maximum rate can 480Mbps, and backward compatible with USB 1.1/1.0 standard specifications Equipped with four groups of USB sockets with hot-plug function Current protection function, support overload voltage and instantaneous current protection function, safe and convenient to use Working voltage: 5V Support system: Windows 95/98/2000/2003/ME/XP/Vista or 8.1 or above (drivers need to be installed under Windows 95/98) Product size: 9 * 3.5cm, wire length: About 55cm 1 x the hub