Features: brand new and high quality 3-Port USB 3.0 Hub for a variety of devices: laptops, PCs,card readers, hard drives, cell phone adapters, etc. Plug and for play, USB 3.0 hubs are automatically recognized by most operating system. No external power supply or driver is required. Our hubs do not interfere with signals. The 3-port USB splitter features efficient USB 1x 3.0 and 2x 2.0 for stable and high efficient data transfer. This laptop USB 3.0 port expander provides stable performance for 3 ports working simultaneously without any stress and keeping the temperature within a moderate range. 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. Specifications: Connection Interface: 1x USB 3.0+2x USB 2.0 Material: Aluminum Alloy Color:Silver/for Grey Size:Apporx.82x18x11 mm/3.22x0.7x0.43 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. Package includes: 1x USB Hub Splitter