The Wireless Trackball Mouse has been designed to perfectly in your hand to provide you with easier control with less movement from your hand to deliver a improved combination of long-lasting comfort and precision. The mouse features a large trackball, four side buttons, a scroll wheel, and a "trigger" button to make it faster and easier to move the cursor.
|Compatible with||Windows95/98/2000/ME/XP, Windows NT, vista etc.|
|Resolution||400 600 800 1200 DPI|
|Effective Distance||within 10M.|
|Power||1 x AAA battery (Not Included)|
|Dimension||10.5cm x 4.5cm x 5.5cm|
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