Logitech M235 1000DPI 2.4GHz Ergonomic Wireless Mouse(Black)

1. Working mode: photoelectric 2. Connection method: wireless (multiple connection) 3. Mouse interface: USB 4. Receiving range: 10m 5. Number of buttons: 3 6. Wheel direction: two-way wheel 7. Maximum resolution: 1000dpi 8. Transmission frequency: 2.4GHz 9. Ergonomics: Symmetrical Design 10. Power supply mode: 1 x AA (not included)