The tk25 thunder x3 keyboard has a quality soft touch membrane quiet and squishy for those who love membrane keyboards the tk25 offers the highest possible polling rate 1000hz on keyboards which allows for a 1 millisecond conversation between the pc and the keyboard ensuring your keystrokes never lag the keyboard also has three led colours blue red and purple for choice customise and execute macros with the downloadable software even saving up to three profiles six macro g keys on the