[. . . ] Thank you for your purchase of the Targus Bluetooth Comfort Laser Mouse. This mouse uses Bluetooth technology which provides a seamless connection up to 33 feet (10 m) away. [. . . ] The advance scroll wheel feature program can be downloaded from the Targus website. Remove the battery safety clip by squeezing the center of the clip and sliding it back, towards the rear of the mouse. Replace the battery safety clip and by sliding it forward until it clicks into place and then replace the battery cover. Insert the two AA batteries, making sure that the positive (+) and negative (-) ends of each battery match the polarity indicators inside the battery compartment. Turn on the mouse by pressing the power On/Off button on the bottom of the mouse. Power On: Press and hold the power button for 3 seconds and then release. The battery life indicator will briefly light up showing the current power level of the batteries. The confirmation window will appear after the computer finishes detecting the Bluetooth devices. ) If the mouse is not detected, please make sure the power is on and in discovery mode. The computer will now search for the Bluetooth mouse and other Bluetooth devices. If the mouse is not detected, please make sure the mouse is in discovery mode and click Refresh. If the connection is not successful, please click Back and search the device again. To access the advanced scroll wheel features you will need to download and install the software driver. Once installation is complete, open the driver software and select the desired setting for the scroll-wheel button. [. . . ] Once installation is complete, open the driver software and select the desired setting for the scroll-wheel button. The positive (+) and negative (-) ends of each battery must match the positive (+) and negative (-) connections in the battery housing. [. . . ]