RAPOO VT200 Wired/Wireless Optical Gaming Mouse with Ergonomic Design, 5000 DPI, 7 Programmable Buttons, 1000Hz USB Polling Rate, Onboard Memory, RGB Backlight & Braided Cable.HIGH FLOW DESIGN: The overall shape is full with 3D ergonomic design. It can effectively reduce the hand fatigue LOW POWER CONSUMPTION: Low energy consumption and low current design make the battery life longer, environment protection and energy saving EASY TO USE: It is convenient no need any driver plug and play directly 2. 4GHz TECHNOLOGY: This wireless technology can provide reliable connection within 360 degrees and 10 meters without any