Color: Black (4,000 DPI) The Satechi Edge Wireless Gaming Mouse gives you an advantage over the competition. With 7 buttons at your fingertips, become quick and efficient for high-speed gaming, as well as casual browsing, working, and studying. The combination of 98-foot wireless range, optical sensor, up to 4000 DPI, up to 500Hz polling rate, 20G of acceleration, 7 high-functioning buttons, and comfortable grooved grip results in smooth and precise control of minimal mouse movement, as well as high-velocity movement and mouse commands. Gaming Mode In Gaming Mode, use the double-click button to double-click with one keystroke. A single button adjusts the DPI between 800, 1600, 2400, and 4000 DPI. The adjustable resolution enhances precision and speed, important when gaming. Video Control Mode In Video Control Mode, the mouse buttons play, pause, skip forward/backward, and adjust volume with a single click. A single click minimizes all windows and returns to the desktop. 250Hz-500Hz Polling Rate Achieve 250Hz or 500Hz of return rate on the speed of transmission between the computer and the mouse for instant response. Power-Saving Chip After 5 minutes without use, the mouse enters sleep mode to maximize battery life. Two AA batteries (included) will last over 36 months of standby time. 4 LED Colors 4 different LED colors illuminate the mouse depending on the DPI: red, green, purple, and blue. A switch on the bottom turns off the LEDs while still powering on the mouse to eliminate distractions. Comfortable Naturally curved grooves for fingers and thumb to easily and comfortably control the mouse, reducing strain. Compatible with: Windows 2000/ME/XP/Vista/7/8 Mac OSX >v10.4