Special patented shape; hand and fingers are supported in the ideal relaxed position. Laser prevision optical sensor. 2 buttons and scroll wheel with switch mechanism. Lithium battery. USB Plug and Play for Mac or Windows. Measure from wrist to tip of ring finger. 1-year warranty. Sold by each.

• Left-handed medium, 17.5 - 19.5 cm (6.9 - 7.7”)
• Product Color: Black
• Brand Name: HandShoeMouse
• Hand/Palm Size: Medium