Wireless freedom: Control laptop, desktop computer or home theater PC from up to 30 feet (10 meters) away.
Logitech Unifying technology: Easily connect up to six compatible wireless devices - keyboards, number pads or mice - without the hassle of multiple receivers filling up your USB ports.
Logitech Advanced 2.4 GHz wireless
Compact footprint: perfect for tight workspaces and busy desks.
Trackball comfort: Sculpted shape supports your hand and stays in one place - move the cursor without moving your arm
Logitech Unifying receiver: Connect up to six compatible wireless devices with one tiny receiver that stays in your laptop
Long battery life: Go for up to 18 months without changing the included AA battery* (* Battery life may vary based on user and computing conditions. )
Smooth cursor control anywhere: Precision laser tracking on your desk, couch, bed or almost any other surface
For Windows or Mac OS: Control your laptop, desktop computer or home theater PC wirelessly from up to 30 ft. away** (** Actual wireless range will vary with use, settings and environmental conditions. )