This Optimus CTR-116 Cassette Tape Recorder is the perfect device for all your cassette playing and recording needs. With its sleek black design, this portable audio player and recorder is ideal for those who are always on the go. It is compatible with cassette tapes and features a variety of functionalities, including playback, recording, and voice activation the unit is tested and works well. I will also include one brand new RadioShack 120 minute cassette tape