Product Features:<br />1. DPI: 1200<br />2. Working distance: 10 meters<br />3. Connection: Bluetooth V3.0<br />4. Buttons: left・ right・ roll wheel・ DPI key・ forward・ backward<br />5. Button duration Life: 8 million times<br />6. Battery type: 2 AAA batteries (not included)<br /><br />