I received some unwanted items from my grandfather, who used to work at an electronics store. They are unused, but they are quite old, so I cannot guarantee their functionality. Two National RT-46EM metal cassette tapes, capable of high-quality sound recording. - Brand: National - Model Name: RT-46EM - Quantity: 2 - Type: Metal - Features: High-quality sound recording - Application: Music recording - Country of Manufacture: Japan Thank you for looking.