SONY WM-3 Walkman Deluxe Cassette Player Stereo Second Generation Maintained. This product data sheet is originally written in English. Internal / external basic cleaning, mechanical part cleaning, reassembly, main belt replacement, counter belt non-defective replacement, earphone port cleaning, microphone port cleaning, head part cleaning and mirror finish, roller non-defective replacement & cleaning. Azimuth adjustment, speed adjustment. Record, play, stop, fast forward, rewind, pause, auto shut off. Tape counter, speaker sound output. Long-term operation test, hearing test by actual listening. A measuring instrument is used for speed adjustment, wow and flutter measurement, and azimuth adjustment. The repair process uses appropriate chemicals and oils. Please ask us before you open a case. We will do our best to solve a problem. If you find any problems/defections with our products, please feel free to contact within 1 week from the day when you received and allow up to 24 hours to answer your question. International Buyers – Please Note. Reasons such as not knowing or not paying after ordering do not work. Record, play, stop, fast forward, rewind, pause, auto shut off, Tape counter, speaker sound output. California Prop 65 Warning.