Welcome to my store, we have many kinds of price products, we launch new products every day, please follow my store and pay more attention, for more products, Please click on the seller information to enter our store to buy, we hope give you a pleasant shopping experience. Thank you and have a nice day!Description:4K HDMI-compatible Output: Support max 3840*2160/30Hz resolution2 Port USB 3.0: Up to 5Gbps data transmission rateSD/TF Card Slots: Support SD/TF cards reading at the same time, up to 100M/sCompatible: Only compatible with Microsoft Surface Pro 4/5/6, not suitable for any other modelsThis USB Hub is not for charging.It is for data reader.Specification:Item Name:USB HUBUSB Ports: 5Date Transfer Rate:Upto 5GbpsColor:SilverSize: 91.5x32x11.5mmPackage Includes:1x USB HUBHub Expansion;USB HUB 3.0 Docking Station Splitter compact;4K Resolution HUB Hub Expansion Converter;Dual Portable Plug and Play Hot Swappin;USB Hub Adapter Fast Data Transfer High Speed;Advanced Card Reader 6th 5th 4th Gena a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a