Cassette to MP3 Converter: Converts cassette music / audio tapes to MP3 format via USB port on your PC. Also works with laptop CD burners. | Cassette Player & Walkman: It can be used as a Walkman. It works perfectly as an old school, vintage Walkman with any standard headphones. | 3.5mm Audio Output Port: It works perfectly with any standard 3.5mm AUX jack, meaning you can use headphones, earbuds, or an audio port to your car speakers. | Sound quality is depended on tape viability and quality. Transfer your audio tapes to MP3 in a quiet room. Keep far aways from any signal interference like Router, Modem etc. | Each unit with the professional audio editing software, easily edit the audio and make your own applications. Powered by USB DC 5V1A or 2 x AA batteries (not included in the package). Pocket size, easily take it and enjoy anywhere. 12 Months worry-free warranty. Please freely contact us for more technical support and service.