Goldtouch KOV-GTM-L Comfort Mouse (Left-Handed) USB Moves your wrist into an ideal 24 angle, eliminating discomfort caused by wrist pronation. Over-sized buttons allow fingers to easily click without overly bending the interphalangeal joints, reducing arthritic discomfort. Thumb cushion encourages a more comfortable grip. Plug-and-play installation, no drivers required. Compatible with Windows 2000, XP, Vista, Windows 7, 8, 10 and Mac OS 10.4 and newer.