Functions include Play/Exit, Last Page, Next Page, blank screen functions as well as the laser pointer (10-meter wireless range). It uses a 2.4 GHz wireless technology.
Transportation and recharging is simple. When the battery-low indicator lights up, just plug the Ring Pointer using the micro USB rechargeable cable into a computer. To prevent misplacing or losing the USB pico receiver, it can be attached to the Ring Pointer for storage.
The Genius Ring Pointer lists for $54.99 and all the specs are here: http://www.geniusnet.com