Four Independent Ports, Do Not Interfere With Each Other, Expand More Devices, Plug And Play, Elegant Appearance, Reasonable Port Layout, Easy Plug And Unplug, No Interference. Without An External Power Supply, It Can Easily Drive Two Mobile Hard Disks, And Simultaneously Use A Keyboard, Mouse, U Disk And Other DevicesKeyboard And Mouse Connection, Sensitive To Use, No Delay Or Lag , Equipped With High-Performance Main Control Chip, More Sensitive Data Control FeedbackStable Transmission Without Dropped Calls, Fast And Stable Thick Wire Core, Galvanized Thick Wire Core, Plus Sheet Aluminum And Other Multi-Layer Shielding, Data Transmission Is Faster And More Stable. The Cable Body Is Made Of Thickened Pvc, Which Can Be Folded And Stored Repeatedly Every Day Without Fear Of BreakingMobile Phones/Tablets Should Support Otg Function, And Usb Models Should Be Used With Otg Adapters (Otg Adapters Are Not Included),"