Size Name:Black Switch?| Colour Name:BlackThe keys feel smoother and easier to use,no tactile "bump" but responsive,a great choice for work and play.ERGONOMIC DESIGN:The gaming keyboard with ergonomic design keycap and keyboard shelf,keep your fingers and wrists in the most comfortable state,no matter how long you type or how intense your gaming marathons are,you are always comfortable.Provide a smooth,responsive gaming experience and increase efficiency for easy work and gameplay.Keys Amount:104keys.Color:Orange, Pink, Black.Switch:Black Switch, Blue Switch.Connection：USB .Anti-Ghost Key：NKRO.Backlit：RGB Backlit.Dimension：457*163*29mm.System requirements：Windows 2000 / XP / Vista / 7 / 8 / 10.Weight：866g.Package Included:1 *104 keys NKRO USB RGB Mechanical Gaming Keyboard.The products in our shop will be carefully selected before shipment, and then shipped to you. If you have any questions, please contact us at any time, we will usually reply to any message within 3 hours, no more than 8 hours. Our current delivery time will be about 10 days earlier than Amazon, please rest assured single..