RAPOO V20S LED Optical Gaming Mouse Black - Up to3000dpi 16m Colour 5 Programmable Buttons Ergonomic design Onboard memory, save and play Adjustable real-time DPI button Accurate navigation LED Multi-color light system with 16 million colorsspectacular light show. Specfication Transmission mode Wired Working method Optical Product dimension Power supply mode USB connecting device Full travel(mm) 0.35±0.20 Scroll wheel direction Two-way scrolling Max. acceleration（G） 20 Max. acceleration（G） 20 Max. tracking speed（inch/s） 60 Max. Resolution (DPI) 3000 Working voltage(V) 5 Buttons life Left button & Right button: 5 million times Middle button: 3 million times Side button: 1 million times Port USB port (L×W×H mm) 125*74*40 Product weight(g) 130 System requirement Windows® XP/Vista/7/8/10，USB port Package contents W