Keycap printing adopts laser carving technology that makes it wearable, durable and long lifetime. The sealed membrane ensures a longer keyboard lifetime. It prevents oxidizing of the inside circuit, which may cause defect keys The deliberately designed drain hole can easily discharge the liquid from the keyboard to free you from the worry about accidental spilling of coffee and tea and make your life more comfortable. Multimedia hotkeys give you quick access to functions like media player, homepage, volume adjustment and more.