Features:
5 adjustable DPI levels (800,1200,1600,2000,2400) and 6 Buttons (Left&Right, Scroll Wheel, Forward&Backward, DPI buttons)
Energy-saving: If mouse is not used for over 8 minutes, it will turn to power saving mode to save energy.
2.4 G Wireless Transmission Technology: Enjoy the faster and stable data transmission.
Compact Receiver: The wireless tiny receiver can be inserted into the slot next to the battery slot, allowing ease of storage when not used.
Wide Compatibility: Compatible with most system including Windows, Mac and Linux.

How to set DPI:
Press DPI button, if the scroll wheel light flashes once, its DPI is 800
Press DPI button, if the scroll wheel light flashes twice, its DPI is 1200
Press DPI button, if the scroll wheel light flashes three times, its DPI is 1600
Press DPI button, if the scroll wheel light flashes four times, its DPI is 2000
Press DPI button, if the scroll wheel light flashes five times, its DPI is 2400

Specification:
Color: Black
Mouse size: 5.0 x 2.6 x 1.6 inches
Number of the Key: 6 Buttons
DPI: 800-1200-1600-2000-2400
Power Source: 1*PCS AA Battery(Not included)

NOTE:
1. The Back and Forward Buttons are not available for Mac OS because the system itself is a closed one, not open to the public, but the other function can be used normally.
2. No any software is required.

Package Included:
1 X Wireless Mouse (Battery is not included)
1 X USB Receiver