1. Anker® Gaming Mouse, 7 Programmable Buttons, up to 2000 DPI, 5 User Profiles (bound to specific games), Omron Micro Switches br br br 2. Perixx MX-1000 Copper, Programmable Gaming Mouse - 7 Programmable Button & 5 User Profile - Omron Micro Switches - Avago A3050 Optical Sensor - DPI Switch 500-4000 - Ultra Polling 1000HZ br br br 3.