This unidirectional adapter allows you to mirror or stream high-quality video content from your laptop or tablet to a projector – audio is not supported. To use, simply connect the adapter to a VGA cable (not included) and the VGA cable to your projector. Then, connect the built-in Mini DisplayPort cable to your laptop.Universal compatibility - works with all brands of laptops, tablets, and computers with a mini displayport output and VGA enabled projectors