Features:

2.4 GHz Wireless Nano Receiver - Offering cable-free versatility for productivity on the go, the receiver can be stored inside the trackball for safekeeping when not in use

Touch Scrolling - 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

Optical Tracking Technology - 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

Ambidextrous, Two-Button Design - Along with a centered compact 32 mm ball, it works equally well for either right-handed or left-handed users

Plug and play with no drivers needed plus KensingtonWorks software allows you to create a customized productivity experience

On/Off switch helps prevent accidental battery drain

Professional matt black and high gloss black finish with deep red track ball