New design eliminates arm twisting and why this is good.

Restman vertical mouse was designed with proper, natural hold in mind and it amazingly relieves wrist and arm pain (according to many user reports and our own in-office use). The shape has been designed to match a classic handshake and confirmed by ergonomic specialists to be the most natural and stress free hand position. Most users said they got used to the new hold very quickly.

This mouse is also excellent for playing many hours of computer games!

Features at a glance:

• Vertical design, 3 buttons, 1 scroll wheel.
• Cool appearance, comfortable to use.
• Ergonomic design prevents excessive wrist-forearm fatigue.
• USB interface convertible to PS2.
• Optical scanning system.
• Default optical resolution 1600 DPI