Scientific Ergonomic Design - This vertical mouse is designed for natural hand positioning and ultimate comfort. It relieves wrist and hand strain for right-handers. This wireless mouse will surely reduce your pain and stress hours Wide Compatibility - This ergonomic and comfortable mouse/mouse is compatible with Windows 10/8/7/Vista/XP, Linux, Mac OS X and all Windows versions Adjustable DPI and one key to toggle - Resolution Optical tracking technology provides higher sensitivity than standard optical mice for precise and smooth tracking on a wide range of surfaces Auto-sleep function - This wireless mouse has an auto-sleep function to save power and extend battery life. mouse to work seamlessly for your computer or laptop LIGHTWEIGHT - With special processing and advanced materials, this wireless mouse gives you more comfort and control Thanks to special processing and front material this wireless mouse gives you more comfort and control