Fangrui Product Details Features: 1. Vga To Hdtv Vga Converter, This Adapter Can Convert Vga Male Signal To Vga Female Signal And Hdtv Female Signal, And Can Output Resolutions Up To 1080p For Devices That Require Usb Power. This Is Not A Bidirectional Converter, It Just Converts In 2. Dual Display, This Splitter Can Mirror Your Computer Screen And Display The Same Screen On One Or Two Extended Monitors. (there Is No Way To Split The Display And Show A Different Screen On Each Attached Monitor). Through Dual-screen Display, You Can Get A Good Experience Whether You Are Playing Games, Working, Having Meetings, Or Watching . 3. Usage Tips, This 2-in-1 Converter Does Not Require A Driver. You Can Use One Output Port Or Two Output Ports (vga Or Hdtv Port). If You Use Vga Input To Vga Output, There May Be No Sound. 4. It Is Better To Use Vga Input To Hdtv Output Port Or Vga Input To Hdtv + Vga Output Port So That You Can Get Sound. The Audio Cable Needs To Be Plugged Into The Computer Host, Not The Audio 5. The Vga To Hdtv Vga Adap