This is a vintage Realistic AM/FM Stereo 12-636 Portable Pocket Radio from Radio Shack. It features a headphone jack and comes in black/blue color. The radio is compact with a height of 5" and width of 3". It is a portable AM/FM radio that can fit in your pocket. Built by Tandy corporation. This radio takes a 9 V battery. The battery compartment is in excellent condition. Radio works perfect as designed. It is in very good condition. Antenna is in perfect condition not sure of the year, but it was made before barcodes. I tested it and it works like new.