Ergonomic mouse PERIMICE-717. Using a computer for many hours daily can cause severe wrist pain. The PERIMICE-717 features a large 34 mm trackball and 7 built-in buttons. The trackball pointing technique minimizes repetitive wrist and hand movements, preventing muscle pain.

Easy to clean trackball: The trackball can be easily removed with fingers or the blunt side of a pen. Simply use a soft brush or lint-free cloth to wipe off the dust.

Product features:

• Ergonomic design for right-handers.
• Easy to clean.
• Ability to replace the ball with a different color.
• High mobility - does not require a fixed space.
• Nano receiver with storage space.
• On/off switch; Power-saving function.
• Requires 2xAAA batteries (batteries not included).

It has 7 buttons and connects via USB. Its color is black and white.