Chocolate keyboard refers to the 92% full-size keyboard standard, the use of chocolate block freestanding key cap, so that each key like chocolate block floating on the keyboard base. In the case of ensuring the size of the keyboard area, the contact area between the finger and the key cap is increased, and the key hitting is more accurate and the feel is more comfortable. Concave cap shaped keys are designed according to the ergonomic characteristics. At the same time, the non-adhesive design also reduces the probability of pressing the wrong key. Compared with the traditional keyboard, both key distance and key distance are significantly improved, which increases the comfort of operation. Simple and clean appearance, 1.902mm optimal key range and finger bending design, strong contrast color annotated shortcut keys, compact keys with good dustproof function, comfortable feel, these connotations have been integrated innovation and presentation on the chocolate keyboard.