Key

A key comprising:

• a substrate;
• a keycap on the substrate;
• a connection component comprising a first connection member and a second connection member, wherein the first connection member and the second connection member are between the substrate and the keycap, wherein one of two ends of the first connection member is connected to the substrate, and the other end of the first connection member is connected to the keycap, and wherein one of two ends of the second connection member is connected to the substrate, and the other end of the second connection member is connected to the keycap;
• and
• a plurality of protruding structures, wherein the protruding structures are disposed on an upper surface of the first connection member, or the protruding structures are disposed on an upper surface of the second connection member, or the protruding structures are disposed on the upper surface of the first connection member and on the upper surface of the second connection member, and wherein each of the protruding structures faces a bottom surface of the keycap;
• wherein when the keycap is pressed to a pressed position, the bottom surface of the keycap contacts the protruding structures, and the protruding structures abut against the keycap, so that a gap is formed between the keycap and the connection component.