4-Port USB Extender Perfectly Solve the Problem of Insufficient USB PortsHerfair USB 2.0 hub converts our single USB port into four USB 2.0 ports to our devices to connect more USB peripherals. Perfect for laptops/computers that don't have many USB ports. Allows us to have controllers, hard drives, mice, phone lines, headphones, any bluetooth devices, speaker systems, backup discs, memory sticks, hard drives, keyboards, printers, digital cameras, Camera, speakers, scanner, card reader everything works perfectly Universal Compatibility and Speed Data TransferThe 4-port USB adapter works on Windows 10/8/8.1/7/Vista/XP, Mac OS X, Linux and Chrome OS operating systems. Backwards compatible with USB 1.1/1.0 devices, universal for all USB devices. Has amazing data speeds, works like a charm and is very useful. Premium MaterialOur USB hub is made of high-strength ABS material, advanced chipset with excellent heat dissipation design, strong enough and lightweight, easy to carry anywhere you want. The cable is durable and strong, providing adequate protection and lasts longer. Compact, sturdy connection, well made, securely connected, no worries about it coming loose! Smart, Safe, Plug and PlayOur USB 2.0 hub has a built-in smart chip that effectively prevents overcurrent, overheating, and short circuits when the USB extender port is operating at full capacity. 4 USB ports can operate simultaneously. Plug and play, no need to install and run the program, simple and fast. Side port design keeps the desktop tidy