RAPOO EV310M Multi-mode Vertical Wireless Mouse Adjustable 800-2400 DPI • Connect via Bluetooth 3.0, 5.0 and 2.4 GHz • Ergonomic vertical design for right hand • Intelligently switch between 2 devices • Adjustable 800-2400 DPI sensor, switch with one click • 1AA alkaline battery can run up to 9 months