This is a Sharp PC-1500 Pocket Computer, a compact and portable computing device from the 1980s. The device is in good condition, with a functional keyboard and display. It comes with a black leather case and a Sharp CE-155 8KB RAM module.The Sharp PC-1500 features a QWERTY keyboard, a small LCD display, and a range of mathematical and scientific functions. It is powered by batteries (not included) and has a memory safe guard and auto power off feature.The device measures approximately 7 inches long, 3.5 inches wide, and 0.5 inches thick. The case is made of high-quality leather and has a gold Sharp logo on the front.The RAM module included is an 8KB expansion module, which can be used to increase the device's memory.This is a great item for collectors of vintage electronics or for anyone interested in retro computing.