This used 4 Port Portable USB 3.0 Hub is small enough to fit in your pocket, providing four extra ports for your laptop wherever you go. Easily add up to 4 peripherals with this thin and lightweight hub, making it a great travel companion. It is especially useful for notebooks with limited ports, allowing you to connect multiple USB devices such as printers, card readers, cell phones, iPods, thumb drives, mice, keyboards, or external hard drives. Each port has its own separate power switch for independent control. The hub is fully compatible with USB 2.0/1.1 products. Compatible with Windows 7/98/98SE/Vista/ME/2000/XP/Windows 8/Windows 8.1/Windows 10, Mac OS X9.0, and Linux 2.4 later versions. Key Features: - High Speed USB 3.0 ports - 0.5 Meter Long Cable - Plug and play installation - Support USB 1.1, compatible with USB 2.0/3.0 - Fully compliant with USB 3.0 specification - USB 3.0 device rate up to 5Gbps data transfer rate - USB 1.1 device rate up to 12 Mbps data transfer rate - Connects to scanners, printers, digital cameras, camcorders, speakers, mice, keyboards, external drives, MP3 players, and more Key Features: High Speed USB 3.0 ports 0.5 Meter Long Cable Plug and play installation Support USB 1.1, compatible with USB 2.0/3.0 Fully compliant with USB 3.0 specification USB 3.0 device rate up to 5Gbps data transfer rate USB 1.1 device rate up to 12 Mbps data transfer rate Connects to scanners, printers, digital cameras, camcorders, speakers, mice, keyboards, external drives, MP3 players, and more