Feature: 1.Work and entertainment without delay and no lag, fast tranfer of large files 2.Built-in high tempo chip.you can use keyboard/u disk/hard disk at same time. 3.Play game or working have no delay. high performance master control chip keyboard mouse connection. feedback is sensitive. 4.No need driver installation required, plug&play and hot swappable, Support window / M-acOS/Linux System. 5.Incorporate many years of PCB experience keep interface stable in different channels and keep non-interference with each other. Description High performance, compatibility, fast transmission, can be connected to U disk, card reader, USB mouse, USB keyboard, scanner, digital camera, digital videos camera, USB sound card, hard disk box and other devices. Specifications Item Name : 3 in1 USB Hub Ports: 3*USB-A Material: ABS Weight23g Support Systemwindow/M-ac OS Cable Lengthwireless Package Included: 1 x USB 3.0 HUB 2.0 hub Adapter Extender Mini Splitter Box