Comfortable design and re-chargeable wireless mouse with option to engrave your logo that will light up for extra exposure your brand (please contact us for details on engraving). The mouse has a re-chargeable 300 mah lithium poly battery that can be re-charged in three hours. Connection speed 125 HZ via the included and easy to install USB dongle. With left and right click button and middle scroll/click button. The sensitivity of the mouse can easily be adjusted to your personal preference. Compatible with all recent Windows and Mac operating systems