AWARD-WINNING SPLIT DESIGN: Advanced ergonomics for all body types and preferences via adjustable split, splay, and tent (tenting accessories sold separately). New cable storage compartment supports up to 20" of separation when you need it. GENUINE CHERRY MECHANICAL SWITCHES FOR PREMIUM TYPING FEEL AND PERFORMANCE WITH LESS NOISE: Cherry MX "Silent" red mechanical switches feature a low activation force, linear feel and are rated for 50M key presses for unmatched durability. FULL ONBOARD PROGRAMMABILITY WITH THE DRIVERLESS SMARTSET ENGINE: 9 custom layouts, 8 office hotkeys, on-the-fly macro recording, one-touch key remapping, pre-configured Mac and Dvorak layouts, settings saved to keyboards 4MB flash memory, and the SmartSet App GUI for Windows & Mac. PLUG-AND-PLAY WITH ALL MAJOR OPERATING SYSTEMS: Windows 7-10, Mac OS X, Linux, Chrome. 2 YEAR MANUFACTURER'S WARRANTY: Buy with confidence knowing that Kinesis engineers all our products in the USA to the highest standards and stands behind them 100 percent since 1992.