Optical wireless mouse with wireless receiver.

• If you have more than 5 feet (1.5 m) between the mouse & receiver, the mouse will not work.
• Please remove the batteries if the mouse will not be used for an extended period of time.
• This mouse has an automatic power save mode. Press any button or scroll the wheel to wake the mouse up when in sleep mode.
The optical mouse will not work well on glass, any reflective surface or a 3D mouse pad.
• There is no need to check the digital connection if the power is off for less than 10 seconds when changing batteries. If the power was off for more than 10 seconds, please reset the ID codes (according to the ID setup directions).

Q: The windows drivers are installing every time I use my mouse.
A: Please make sure you have updated your Windows and USB drivers using windows update. Click here for information about this issue (Microsoft Windows):
http://windowshelp.microsoft.com/Windows/en-US/help/b3c6477e-1111-4b9f-a52a-fffdc51e9c901033.mspx

Q: How do I open the battery compartment?
A: Please firmly push as shown on below image.