Dual-Mode Freedom: Connect via Bluetooth or 2.4G USB receiver, seamlessly switch between 3 devices (PC/Mac/Tablet) with one button. Professional Ergonomic Design: Contoured shape reduces hand fatigue by 50% compared to standard mice, perfect for all-day productivity. USB-C Fast Charging: 2-hour charge provides up to 50 days of use, convenient USB-C charging eliminates battery replacements. Precision Tracking: Adjustable 800-2400DPI optical sensor delivers pixel-perfect accuracy on any surface for professional work. Silent Click Technology: Advanced silent switches operate below 30dB, ideal for libraries, meetings and nighttime work.