Technical Details:
Super Speed USB 3.0 transmission rate up to 5Gbps(10 times of USB2.0) and Compatible with USB 2.0/USB 1.1/1.0
Massive expansion, Provide 4 ports USB3.0 to connect 4 USB devices for accessing or charging
Compact and portable, Special for Laptop/Ultrabook/MACBOOK/Tablet PC and PC
Build in Overvoltage/Overcurrent/Leakage and Short-Circuit protection unit
Support Hot-swap and PnP

Product Description:
with its built-in VL812 USB3.0 controller provides 4 high speed USB 3.0 ports for data Transfer and charging. It can be used on USB3.0 HDD, High-resolution camera, Video surveillance cameras, digital video cameras etc. USB3.0 transfer rate is up to 5 GB/s, downward compatible with USB2.0 and USB1.1.

Product Details
Product Dimensions: 5.4 x 0.8 x 1.2 inches ; 2.9 ounces
Shipping Weight: 7 ounces

Product Features:
Easy to use and carry
4 ports USB3.0
Support Hot-swap and PnP
Build in Overvoltage/Overcurrent/Leakage and Short-Circuit protection unit

Package Include:
1 x H4818-U3 HUB
1 x USB3.0 data cable
1 x User manual