Microsoft called it the "most radical computer mouse technology and design advancement" since computer mice were introduced in the 1960s. The Explorer was finished in silver, and featured a glowing red "taillight" to emphasize its optical sensor. In May, the IntelliMouse Explorer was exhibited at E3 1999, touting the benefits of its optical sensor for accuracy and reliability.
Microsoft considered it as "the most significant computer mouse technology and design advancement" since mice were introduced in the 1960s. The Explorer was finished in silver and featured a red "taillight" to highlight its optical sensor. In May, the IntelliMouse Explorer was exhibited at E3 1999, highlighting the advantages of its optical sensor for precision and reliability.