Features: 100% brand new and high quality Easy to Use: Plug and play, USB 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: 4-Port USB Hub for a variety of devices: laptops, PCs,card readers, hard drives, cell phone adapters, etc. Simultaneous 4 Ports: This laptop USB port expander provides stable performance for 4 ports working simultaneously without any stress and keeping the temperature within a moderate range. USB 1x3.0+3x2.0 Super Speed: The 4-port USB splitter features efficient USB 1x 3.0 and 3x 2.0 for stable data transfer at 5 Gbps and 480Mbps. Ultra Slim and Portable: Ultra slim design for laptop, small enough to be functional without taking up tons of space, a good helper for home, office, business trip or anywhere you go. Package Includes: 1x USB Hub Splitter Specifications: Transmission Rate: USB 3.0: 5Gbps USB 2.0:480Mbps Connection Interface: 1x USB 3.0+3x USB 2.0 Material: Aluminum Alloy Plug Standard: USB Color: Silver/Grey Size: Approx. 25.2cm/ 9.92 inches 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.