Features: Easy to Use: Plug and for play, USB 2.0 hubs are automatically recognized by most operating system. No external power supply or driver is required. Our hubs do not interfere with signals. Outstanding Compatibility: 3-Port USB Hub for a variety of devices: laptops, PCs,card readers, hard drives, cell phone, mouse, keyboard, etc. Simultaneous 3 Ports: This laptop USB port expander provides stable performance for 3 ports working simultaneously without any stress and keeping the temperature within a moderate range. USB 2.0 Super Speed: The 3-port USB splitter features efficient USB 2.0 for stable data transfer at 480Mbps. Specifications: Material:ABS Output: for DC 5V /500Ma Transmission Rate: 480Mbps Connection Interface: USB 2.0 Storage temperature: -20-70 Length:Approx. 28.5cm/11.22 inches for Windows XP / Vista / Win7 /Win8 / Win 10 /linux Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x USB 2.0 Hub Splitter