usb 3.0 to vga adapter, usb to vga video adapter converter external video graphic card multi monitor display 1080p resolution compatible with windows 10/8.1/8/7/xp for pc laptop desktop projector doriso <b>▶▶product description:</b><br> this usb 3.0 to vga adapter is used to connected a usb-enabled devices( such as laptop, desktop) with a vga-enabled devices( such as monitor,projector, tv) for multi-monitor solution,extending working space with split-screen, mirroring display, etc<br> <br> <b>▶▶how to use:</b><br> 1. it connect a usb 3.0 device to vga enabled televisions, monitors or projectors to display video and audio.<br> 2. as for audio, go into 'system preferences'→'sound'→'output'.there should be an option to change the audio output from your laptop to other devices.<br> 3. as for mirror and extend modes, select 'extension' or 'duplicate' mode in 'control panel' > 'display' to set up the secondary display.<br> <br> <b>▶▶ specification:</b><br> color:black<br> length: 9.65 inches/24.5cm<br> input interface: usb 3.0<br> output interface: vga<br> material: abs+pvc<br> support operation system: windows 10, 8.1, 8, 7, vista (32-bit and 64-bit), windows xp (32-bit only), windows server 2008 (32-bit and 64-bit)<br> <br> <b>▶▶ note:</b><br> this product is not a bi-directional adapter. it only converts usb 3.0 to vga.<br> 1. do not support mac. <br> 2. do not support surface pro with arm(windows) processor.<br> 3. supports surface pro with intel(windows) processor.<br> 4. make sure your devices have usb3.0 port. usb3.0 supports: 1920*1080@60hz (1080p max), usb2.0 only supports: 800*600@60hz.<br>