Aiwa TPR-216 is a vintage cassette recorder released in the 1980s. It was a popular model among students and professionals because of its compact size, durability, and easy-to-use features. The TPR-216 was capable of recording and playing back audio tapes in stereo, and it had a built-in microphone and a headphone jack. It also featured a built-in speaker, a volume control, and a tape counter. Additionally, it could operate using AC power or batteries, making it a portable option for on-the-go recording.