Apparently a shared model of Kenwood and Hitachi (OEM of one of them?). Hitachi branded the model CP-S21.

Another OEM with typical Kenwood bear paw like button layout, one of the first with NiMH battery instead of NiCd.

Available in more colors, however the vibrant blue stands out!

A Dolby C capable unit with LCD remote.

A Dolby C capable unit without too many frills, except for sound processing.