The only hardware change seems to be the magnetometer and some color variants.
"The black squirrel is simply a color variant," he said.
The number of color variants is limited by the designer's fantasy only.
The Latin word auratus in its scientific name means "golden", and refers to a less common color variant.
Over the years, some of these color variants have been erroneously described as separate species.
It is aposematically colored, to warn off potential predators, and a number of color variants are known in the species.
It comes in 2 color variants, and black.
Early color variants were mostly selected for utility reasons or religious practices.
A blue color variant is available as well.
The device is sold in three color variants: blue, black and purple.
