Description: This is a National microcassette recorder "Zuba-Roku RN-Z88". Maintenance: The internal rubber belt (O-ring) has been replaced with a new one. Operation: Recording and playback have been confirmed to work. Fast forward and rewind also function well. Appearance/Battery Compartment: There are signs of aging such as minor scratches and scuffs, but the battery compartment is clean with no leaks. *Note: This unit is for "microcassette tapes" only. Please note that regular cassette tapes will not fit. Precautions before purchase: This product is used. Although operation has been confirmed and maintenance has been performed, it is an old item, so there may be small scratches or oversights. Please be sure to check the photos posted and understand the condition of the product before purchasing.