HAVIT HV-MS672+HV-MS691+HV-MS720 Mouse (HV-MS672Blue Light) Ultra-Smooth optical gaming mouse with 6-buttons Adjustable DPI up to 2400. Settings of 800, 1200, 1600, 2400 Ergonomic design and weighting (144g) provides all-day gaming comfort Cool blue LED for easy visibility during low lighting gaming environments