HAVIT&Acirc; HV-MS701 Ergonomic LED Stress-ease Mouse for Gaming and Office Using, 3 LED Lighting Modes, 6 Buttons LED lights change colors while in use, offering soothing ambient lighting Precision control with 3 DPI settings: 1200 / 1600 / 2400 Ergonomic design, fits naturally in your hand 6-buttons for superior productivity and efficiency Simple to use just plug and play. No additional software or firmware required