Logitech M320 1000DPI 2.4GHz Ergonomic Wireless Mouse (Black)

1. Operating Mode: optical 2. Connection Mode: wireless 3. Mouse Interface: USB 4. Receiver: Nano receiver 5. Number of keys: 3 6. Roller direction: Four-Way Roller 7. System compatibility: for Windows Vista/7/8/10, MacOS X 10.4 or later, Chrome OS 8. Maximum resolution: 1000DPI 9. Transmission frequency: 2.4 GHz 10. Ergonomic: symmetrical Design 11. Power supply mode: 1 x AA Battery(not included)