105 Key keyboard layout; Supports USB; Spill Proof with sealed membrane design. Reliable Plug & Play operation with USB connection A sealed membrane design lets liquid from accidental spills run through without damaging keyboard electronics Meets MIL-STD-810H Method 504.3 Contamination by Fluids testing for resistance to breakdown when exposed to cleaning and disinfecting solvents such as alcohol and bleach for at least 24 hours. Wired 150cm USB cable for battery free reliability Tactile feedback keys for exceptional comfort Essential Euro currency symbol PC and Mac® compatible Optimised for your Windows 11 keyboard needs.