This is a portable cassette tape recorder from Realistic, model CTR-66. It has been tested and works perfectly. It is a great addition to any vintage audio and video collection. The brand is known for its quality and this recorder is no exception. It is perfect for recording your favorite music or important conversations on-the-go. The device falls under the category of vintage cassette decks and is a great find for collectors. Its compact size makes it easy to transport and the recording quality is top-notch. Whether you're a music enthusiast or a collector, this Realistic CTR-66 is a great investment.