Asus Strix Tactic Pro mechanical gaming keyboard cherry mx BlacK – Orange backlit led with 4-levels setting – 21 Marco keys ( 13 dedicated + 8 via F-keys ) with on-the-fly macro-recording button with profile/mode indicators , cherry MX BlacK linear switch with Force feedback , 40g-80g actuation force , bundled 4 extra key-caps with puller , NKRo ( N-Key RollOver ) , 1000Hz ultrapolling / 1ms response time , 4x multimedia hotkeys + volume wheel – usb