Connection Type 2.4GHz wireless connection<br>Wireless range: Up to 10 meters<br>DPI(min/max): 800/1,600<br>Number of Button: 3 Buttons<br>Scroll Wheel: Yes<br>Power Switch: Yes<br>Sensor: 2.4Ghz frequency<br>Battery: 1x AA Type(Not Included)<br>Dimesion: 103*63*36mm<br>Packaging: White Box