Logitech M170 Wireless Mouse

Onnectivity: 2.4 GHz wireless via USB receiver Wireless range: Up to 10 meters (33 feet) Sensor: Logitech Advanced Optical Tracking DPI: 1000 dpi (min/max) Power and battery Battery type: 1 x AA battery Battery life: Up to 12 months (depending on usage) Power management: On/off switch and auto-sleep power-saving mode