Vertical Laser Mouse:
This left/handed vertical laser mouse provides a neutral, comfortable hand and wrist position. The movement emanates from the forearm instead of your wrist and therefore helps to prevent RSI.
Slope buttonsThe mouse has three buttons positioned diagonally and a large scroll wheel. The thumb and index finger guide the mouse, the other fingers operate the buttons and the scroll wheel.
Up to 8.8 cm hand widthMini Cute left/handed mouse is suitable for hand widths up to 8.8 cm. (Measure the width from the bottom of your little finger to the bottom of your forefinger).