Bornd C190 Wireless Mouse, Red: * Buttons: 4 (left, right, scroll andDPI key) * Operation range: 30", 360 degrees * Resolutions: 1000/1500/2000DPI * Tracking method: optical * Dimensions: 3.8" x 2.4" x 1.3" * Operating current: 5V DC 30mAh * Interface: USB 2.0 * Dimensions: 0.7" x 0.6" x 0.2" * Compatibility: Windows 98/2000/XP/ME/Vista/7/8/Mac OS * Color: red * Weight of mouse and package: 0.342 lbs * 2x AAA alkaline batteries (Included)