Logitech M570 2.4GHz Wireless USB 5 Button Laser Trackball Ergonomic Mouse Gray

Your coffee table. Your favorite chair. Your comfy bed. Now there's no limit to where you can get precise cursor control. This hand-friendly wireless trackball lets you work and play wherever you want. No mouse to move around. No tricky keypad leaving your hand feeling cramped. Just roll the ball with your thumb and click. Precision never felt so comfortable. Thumb-operated trackball and laser sensor for smooth, precise cursor control. Works anywhere you do—even your sofa. Powerful 30 ft. wireless range with tiny leave-in Logitech Unifying receiver. It has up to 18 months of power on a single AA battery. Scroll wheel and Back/Forward buttons for easy document and web page navigation. Enhanced comfort—refines the time-tested shape of the popular Logitech Trackman Wheel.

Features:
Color: Gray/Blue
Trackball comfort
Logitech Advanced 2.4 GHz wireless
5-buttons including Back/Forward buttons
Scroll wheel
Compact footprint
Includes Logitech Unifying receiver - stores inside of mouse

Specifications:
Sensor technology: Laser
Sensor Resolution: 540
Number of buttons: 5
Scroll Wheel (Y/N): Yes
Battery life: 18-month battery life
Battery type: 1 AA battery, not included
Wireless operating distance: Approx 10m (30-feet)

Dimensions:
1.8 x 3.7 x 5.7-inches (H x W x D, approximate)
Weight: 0.07 ounces / 2g

Package Includes:
Logitech M570 2.4GHz Wireless 5-Button Laser Trackball Mouse
Logitech Unifying USB Receiver