Product Features: 1200DPI high-precision scanning speed to ensure accurate control With standard configuration of the mouse buttons, fully meet speed requirements for your office or games Elegant and ergonomic design, convenient and comfortable to use Comfortable hand touch, designed for desktop and notebook users Advanced wireless connection Wireless USB receiver, plug and play Receiver can be hidden in the mouse jack Wireless range up to 10 meters in the open space 6 Buttons for Easy Control: --- Left and Right buttons, 3D Scroll Wheel included --- DPI switch button --- Up/ Down buttons, convenient to browse the web Scroll up and down directly without moving your hands Built-in power saving IC, long life to use Compact size, easy to carry Note: Need plug the included USB receiver when use Precision optical tracking: Get responsive, smooth cursor control with high-definition optical tracking Supports Windows ME/2000/XP/Vista/Window7/MAC OSX 10.2 Powered by 2 x AAA batteries (Batteries NOT included) Size: 108 x 57 x 26 mm / 4.212 x 2.223 x 1.014 inch Net Weight: 54 g / 1.89 oz Note: We provide different colors for your choice Product Specifications: Mouse Type: Office Mouse Optical Resolution: 1200DPI Connect Type: Wireless Wireless Distance: 10M Transmission Mode: 2.4GHz Interface Type: USB2.0 Location Technique: Optical Key Number: 4 Roller Number: 1 Battery Type: 2 x AA Battery Ergonomics: Support Backlit Mouse: No Package Contents: 1 x 2.4GHz Wireless Optical Mouse 1 x Mini USB Receiver