Bornd C160 Wireless Mouse, Golden: * Buttons: 3 (left, right, scroll) * Operation range: 30", 360 degrees * Resolutions: 1000/2000DPI * Power consumption:< 20mAh * Operating voltage: 3V * Operating current: 3.8mAh * Dimensions: 3.9" x 2.0" 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: golden * Package dimensions: 8.98 x 4.96 x 1.97 inch/228.0 x 126.0 x 50.0mm * Weight of mouse and package: 0.516 lbs * 2x AAA alkaline batteries (Included)