This is our Perixx PERIMICE-717 Wireless Ergonomic Trackball Mouse Programmable 400/1000 DPI. Glossy surface made by special coating technique, supporting high-sensitivity sensors and precise movement for all trackball mouse. Supported by an advanced laser sensors that provides precise movements.

Features:

• One-click DPI button (400/1000) and scroll wheel with middle click, handy design for professional and everyday use.
• 5 programmable buttons for main control, advanced setting, and macro manager.
• Advanced setting: speed of vertical scroll, pointer, and up to 5 personalized profiles.
• Main control: assign your own preference to each button including: multimedia, scrolling wheel/double click, page forward/backward, menu, fire button, etc.
• Easy and intuitive drop-list setup with one-click.

Specifications:

• System Requirements - Windows 7, 8, 10
• Operating Range - around 32 ft. 
• Dimensions - 5.12 x 4.21 x 1.77 inches
• Weight - 0.3 lb
• Battery Requirements - 2 x AAA batteries (not included)

Package includes:

• 1 x Wireless Ergonomic Trackball Mouse