Designed for professional users who want to do more effectively and efficiently, the silent mouse offers ergonomic comfort for all-day-use with a skin-friendly surface and soft grip. The mouse has high precision click, 3-level DPI setting and up to 4000, it is perfect for tracking down to the tiniest detail. Multiple programmable buttons, a 4 ways dynamic wheel that matches your speed, helps you complete tasks with ease and professional-grade accuracy, and seamlessly connects to up to 3 devices via Bluetooth and 2.4GHz.