It came with 32 kB of RAM which could be upgraded to 96 kB. The monochrome LCD display had 240x32 pixels which could display four lines with 40 characters per line. The 256 kB system ROM also contained a BASIC interpreter which could be used to program the device. Printer and serial ports were also available.
The PC-E500S had a weight of 340 g (with batteries) and was powered by four AAA batteries. It could, given its power consumption of 0.09 W, be used for about 70 hours on a charge.