Midsize design fits comfortably in your hand Multi-device connectivity for up to 3 devices 2.4 GHz + Bluetooth 5.0 wireless connectivity Adjustable 800, 1200, 1600, or 2400 dpi for customised response DefenseGuard Antimicrobial Protection* maintains a clean surface and continuously protects the mouse by preventing the growth of micro-organisms. Includes 1 AA battery Compatible with Chrome OS, Windows and macOS