The following is based on Van Buren and has not been confirmed by canon sources.
Much less cumbersome than the Pip-Boy 2000 Plus, the Lil' Pip 3000 offers all the functionality of its bigger brother, and features two colors in addition to bright green for standard display: bright blue and bright red. It features a flip-up split-screen monitor and can be comfortably worn on the arm. Despite its many advantages, the Lil' Pip 3000 was not a sales success. The device was more fragile than the 2000 models and it used integrated circuits instead of vacuum tubes to achieve its small size.