Adesso - iMouse T40 Wireless Programmable Ergonomic Trackball - Black

The Adesso iMouse T40 is a wireless ergonomic desktop trackball with a 40 mm optical trackball and programmable buttons. All buttons can be remapped with the programmable driver, and it connects through a 2.4 GHz USB receiver with up to 30 ft / 10 m range.

• Trackball: 1.5 in / 40 mm, optical sensor
• Buttons: left, right, middle, DPI up/down, back/forward and scroll wheel; all programmable
• 5 DPI levels
• Wireless: 2.4 GHz RF, up to 30 ft / 10 m
• Power: 2 x AAA batteries with auto-sleep mode
• Dimensions: 6.6 x 4.5 x 2 in / 168 x 115 x 50 mm
• Compatible with Windows 2000, XP, Vista, 7, 8 and 10