A ruggedized, translucent clamshell style Newton device that featured a built-in keyboard, extremely long battery life, and an integrated suite of applications called Newton Works. The device was primarily aimed at the educational market.
The eMate 300 was known by various code names, including Project K, Schoolbook, and Shay.
Internet Archive: Press Release: New Apple eMate 300 Mobile Computer
Internet Archive: Apple eMate 300: Technical Specifications