Good to know   - The membrane switches on this K55 CORE keyboard are smooth, responsive and silent - With 12-key rollover and a 1000 Hz poling rate you'll have an instant response to every click - Controlling your songs is super easy - there are dedicated media keys - Don't worry if you knock over your drink during an intense match - it's spill-resistant - iCUE lets you sync your keyboard RGB with the rest of your Corsair iCUE hardware for an impressive light show