Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 1Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 2Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 3Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 4Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 5Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 6Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 7Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 8Genius 'Ring Presenter' is a computer mouse that you wear on your finger - photo 9