A4tech X-710BH mouse USB Type-A Optical

— "3XFire Button"- 5 DPI Shift to speed up or slow down the pace of the mouse. Click to quickly shift from 400, 800, 1200, 1600 to 2000 DPI.- Full-Speed USB (Designed with Extreme Fast Acceleration Up to 500 Hz Report Rate, 4 Times Faster than the Normal USB Mouse's Report Rate.)- Intelligent & Button.Programmable using included Smart-X7 Software.A4Tech X-710BH. Movement detection technology: Optical, Device interface: USB Type-A, Buttons quantity: 7. Product colour: Black