Manufacturer: NaturalPoint . This is a revolutionary new feature that delivers, in one package, the best of both speech recognition and head pointing technology. Voice activated clicking allows you to issue mouse clicks and commands by speaking to your computer. Simply say ‘left click’ and a left click will be performed. This powerful feature makes the SmartNAV more intuitive to use than ever. This feature does not come with any other hands free mouse, or virtually hands free mouse package and we hope you enjoy using it!