This is a refurbished cassette player. Requires 2 AA batteries. Cassette playback, auto-reverse, fast forward, rewind, and sound output through headphones have been tested and confirmed to be working. There are no issues with its use as a standard cassette player. It has a tape-to-MP3 conversion function, but it has not been tested due to the lack of dedicated software. This is not guaranteed. Please be aware of this. The item for sale is the main unit only; batteries are not included.