This Sony M-450 Microcassette Handheld Voice Recorder is a high-quality device designed for recording meetings, lectures, and interviews. It is a part of the Sony UX series and is a handheld model that is easy to carry around. The recorder has a maximum recording time of 1 hour and uses microcassette tapes as recording media.The device features headphones, 2 speed recording, and voice-activated technology, making it easy to use and transfer files to your computer. This recorder is perfect for students, journalists, and business professionals who need to record and transcribe files. Get your hands on this Sony M-450 Microcassette Handheld Voice Recorder today and start recording with ease!

It comes with one microcassette (used).  I have tested it for functionality and it works great!
It is powered by 2 AA batteries (not included).