Specification: Cable Length 2m (Braided Cable with Gold-plated Connector) Polling Rate 1000 Hz Built-in Memory 320K Dimension(LxWxH) 477 x 292 x 29.5 mm (w/ wrist rest) 477 x 185 x 29.5 mm (w/o wrist rest) Switch Lifecycle 10 Million Graphical UI Yes (GAMDIAS HERA) Key Switch N/A Additional Macro Keys 9 Multimedia Keys 6 Backlit 16.8 million colors with 6 levels brightness N-Key Rollover N/A OTF Macro Record N/A Windows Key Disable Yes (Game Mode) All-Keys Lock Yes Onboard Audio Jacks N/A Onboard USB Port N/A Interface USB Anti-Ghosting Yes， 23-key roll over WASD & Arrow keys Change Yes Consecutive Attack Mode Yes