This vintage Radio Shack CTR-121 cassette recorder is a reliable and functional device for recording audio. It has been tested and is in good working condition. The recorder features a VOX voice activation system which automatically starts and stops recording when it detects sound, making it ideal for dictation and note-taking purposes. This model is perfect for those who prefer an analog recording device and is compatible with standard cassette tapes. The brand Radio Shack is well known for its quality electronic devices, and this cassette recorder is no exception. Battery operated runs on 4-C batteries not included tested and working. Please view photos for more information and details thank you for looking.