Features: 1.Expansion USB Port: The USB hub expands 1 port into 1 USB 3.0 Port and 2 USB 2.0 Ports, which is very suitable for connecting keyboard, PC, laptop, mouse, flash drive, printer or other USB A connected peripherals. (Not recommended for charging) 2.High Speed: USB 3.0 Type A port transfer speed up to 5Gbps, USB 2.0 Type A transfer speed up to 480Mbps, backward compatible with USB 2.0/1.X. 3.Plug and Play: USB Hub does not need to install other software and drivers, it can be hot plugged, and it is very convenient to use. 4.Thin Lightweight: The USB Hub is very small, thin, lightweight, and can be carried anywhere, and can be applied to any USB A interface device. 5.3 Port USB3.0 Hub: This USB3.0 hub can expand 1 USB port to 3 extra USB data ports for hard drives, flash drives among other USB devices. specification:Item Type: USB3.0 Hub Material: Aluminum Alloy Product Size: Approx. 8 x 2 x 1cm / 3.1 x 0.8 x 0.4in Parameters: Mini USB 3 in 1 Hub: With 1 USB3.0 (Backward Compatible with USB2.0/1.1), 2 USB2.0 Applicable Equipment: Suitable for Connecting Keyboards, PCs, Laptops, Mice, Flash Drives, Printers or Other USB A Connected Peripherals Appearance: Small Size Design, Can Be Carried Around PackageList:1 x USB3.0 Hub