Psion 3mx

The 3mx had a full Qwerty keyboard, a word processor, a spreadsheet application and the ability to record up to two minutes of audio using a built-in microphone.With its 28MHz NEC V30MX processor, its 2MB of ROM, 2MB of usable internal storage, 480x160-pixel greyscale screen, twin disk drives for adding memory and applications, and juice from a pair of AA batteries.