The Sony TC-WR 870 is a stereo cassette deck that was released by Sony. It was designed for home audio use and offered various features such as Dolby B and C noise reduction, auto-reverse, and high-speed dubbing. The deck has dual cassette compartments, allowing users to play and record on both decks simultaneously. It also features a digital tape counter, remote control compatibility, and adjustable recording levels. The Sony TC-WR 870 is a vintage cassette deck that was popular in the 1990s.