The Sabrent CB-UNET USB 2.0 Data Transfer Cable provides driverless Host-to-Host linking solution for two or more USB hosts of PC or Notebook. Designed with a proprietary power-saving technology and auto detecting and switching method between USB High-Speed and USB Full-Speed the Sabrent CB-UNET USB 2.0 Data Transfer Cable enables the host to run under the appropriate speed without installing additional drivers for operation.