Multi-mode Wireless Ergonomic Optical Mouse • M+ wireless cross-screen transmission technology • Ergonomic design for medium size hand • Connect via Bluetooth 5.0, 2.4GHz and wired • Intelligently switch among up to 5 devices • 7 levels 50-4000 DPI adjustable sensor, switch with one click • PAW3220 optical sensor: precision on nearly every surface • Eco-friendly 800mAh rechargeable battery • Onboard memory, 10 customized buttons