The Happy Hacking Keyboard is a small computer keyboard produced by PFU Limited of Japan, co-developed with Japanese computer pioneer Eiiti Wada. Its reduction of keys from the common 104-key layout down to 60 keys in the professional series is the basis for its smaller size while retaining full key size. It returns the control key to its original position as on the early 84-key PC AT and XT layouts. The current models in production are the Happy Hacking Keyboard Professional 2, Professional JP, both in either dark or light colorways, Type-S silenced variants and blank key cap variants, and the Happy Hacking Keyboard Lite 2 with an additional Macintosh-specific variant and a blank variant for each.