Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Compact size and portable， easily add 4 USB 2.0 ports to your Macbook， Laptop， ultrabook and tablet PC. Enjoy data transfer rates of up to 480Mbps and spend less time syncing. Note: actual rate will depend on the capability of your deviceThe extra Micro B power helps you to charge effectively for high-power devices， such as your tablet or iPad and mobile phones.Meets all the standard from USB Battery Charging 1.2， each port provides current supply up to 2.4A which suits most mobile phones devices.Build in Overvoltage/Overcurrent/Leakage and Short-Circuit protection unit. LED indicates activity status. Designed with a built-in surge protector to keep your devices safe.Compatible with all Windows/Mac/Linux systems. No drivers required for Windows 8 / 7 / Vista / XP or Mac OS X 10.10 and above or Chrome OS. Supports hot swapping