a unique scroll wheel for long document maneuver and a built-in laser pointer to bring audience focus, the VP4560 presenter features wireless freedom for effortless presentation delivery. With an on/off switch to conserve power and an integrated storage for its receiver dongle, the device is travel-friendly. Designed for plug-and-play, the VP4560 works instantly with any Windows and Mac computers without the need to install software.  (less)

intuitive presentation control buttons, a unique scroll wheel for long document maneuver and a built-in laser pointer to bring audience focus, the VP4570 features up to 33 feet of wireless freedom for effortless presentation delivery.With an on/off switch to conserve power and without the need for a proprietary receiver dongle, the device is travel-friendly. Designed for easy sync up with Bluetooth, the Interlink VP4570 Bluetooth stopwatch presenter remains connected to the system once set up.  (less)