This option lets you simulate increasingly severe levels of input lag to make you feel as if you're playing against someone with a poor Internet connection. (gamespot.com)
The downfall of wireless mice comes about when issues with input lag arise or you start running low on charge and either need to stop playing or plug your mouse in for some charge. (pocket-lint.com)
Well ideally, you'd want the best possible image quality and a low input lag for a smooth and fluent experience. (thatvideogameblog.com)