<b>2.4GHz Wireless Nano Receiver</b><br><br>Offering cable-free versatility for productivity on the go, the receiver can be stored inside the trackball for safekeeping when not in use<br><br><b>Touch Scrolling</b><br><br>This unique feature lets you slide your finger around the outer ring of the trackball, letting you glide effortlessly through web pages and long documents<br><br><b>Optical Tracking Technology</b><br><br>Provides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency<br><br><b>Ambidextrous, Two-Button Design</b><br><br>Along with a centered compact 32mm ball, it works equally well for either right-handed or left-handed users<br><br><b>TrackballWorks™ Customisation</b><br><br>Free downloadable software provides an even more personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cur This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-00-172-1612, indicating validated use in U.S. government and defense logistics supply chains.