This unique wireless keyboard and presenter suite is perfect for lecture hall, conference room, church and any public-speaking settings. Featuring 12 media hot keys, a built-in trackball and integrated mouse buttons for total control, the Earth-friendly rechargeable keyboard supports up to 100-foot of transmission range. A matching mouse features high-resolution laser technology that works on most surfaces. Also included in the suite is the long range presentation remote Emerald Navigator, which offers a bright green laser pointer and presentation controls up to 100-foot of transmission range. Designed with our patented auto-pairing technology, the keyboard and remote share one receiver dongle and offer AutoRF scan and channel hopping technology eliminating potential interference.