UGREEN US133 Micro USB 2.0 OTG cable converts your Micro USB OTG capable tablet computer or Smartphone into a USB On-the-go host and allows you to connect devices, like a flash drive, card reader, mouse or keyboard to your Micro USB OTG capable tablet computer or Smartphone directly at speed up to 480Mbps,so you can use this adapter for things like accessing storage, controlling your device with a mouse and keyboard. It gives a convenient way for quick and easy data reading and backup without a host.