This Sony WM-10 II Walkman Cassette Player is a first-generation mini cassette player that was manufactured in 1983. It comes in black color and has a headphone jack as well as AC/DC audio inputs. The cassette player has a belt drive and features a 3.5 mm audio jack for connectivity. It has a battery life of up to 5 hours and weighs only 0.37lbs. This Walkman is a part of Sony's product line and is compatible with cassette tapes. The package includes a cassette player and an instruction manual. The Sony WM-10 II is perfect for those who are looking for a portable audio device to play their favorite cassette tapes.