Ergonomic design: Right symmetrical design; Surface treatment: Fine matte; Working method: Optical; Processor: Rapoo V-power 3; APM breathing light: Single color APM breathing light; Breathing light mode: APM breathe / fast strobe / slow strobe / steady on; Gaming engine: Avago A3090 optical engine; DPI adjustable range: 800~4000 DPI; Fixed modes: 800 / 1600 / 3200 / 4000DPI; Mobile speed: 60IPS?; Maximum response speed: 1 ms?; Image processing: 6400fps; USB return rate: 125 / 500 / 1000Hz; Jog left and right buttons: Omron D2FC-F-7N (10M) White Point?; Function keys: DPI switch / Custom mode switch?; Onboard memory: 512KB?; Buttons: 8; Custom configuration records: 10 groups?; Programmable macros number of keys: 14?.