in 1 Wireless USB 3.0 Hub for Laptop Adapter Computer PC USB Charging Hub Notebook Splitter Extension Dell Accessories Lenovo HP Specification Name: 3 in 1 USB Hub Ports: 3*USB-AMaterial: Aluminum Alloy or Plastic Support System: Windows/Mac OSD Cable Length: wireless Note: We have two materials for choice: aluminum alloy and plastic, please confirm before placing order. Thank you Fast transmission Work and play without lag or lag, fast transfer of large files Support 3 ports used at the same time Built-in high-speed chip. You can use keyboard/u-disk/hard drive at the same time. Connect mouse and keyboard. Play games or work without delay. High-performance mouse main switch with chip. Feedback is sensitive MINI wireless 180 deg free rotation; Fast heat dissipation aluminum alloy shell Built-in stable intelligent chip Include many years of PCB experience keep the interface stable in different channels and keep without interference with each other Compatible with multiple systems No driver installation required, plug play and hot swap, supports Windows/MacOS/System Linux