Sound QUALITY is pretty good, there's no static, or cut off, no hissing. Automatic stop system, protect old cassette tape, rediscover old songs with this tape player, relive and enjoy your memories. One-key recording cassette recorder, convenience in class-recording, conference recording, note taking or just a simple conversation, never worry about missing out parts of the conversation. Built-in microphone and speaker, volume control and volume to go up adequately for someone with hearing problems. Lightweight and portable design fits in virtually any bag and enables you to play anywhere, enjoy the music conveniently whenever and wherever via 3.5mm jack earphone (included). This handheld cassette tape player runs on 2 AA battery (not included), it can also be powered via USB port, it works perfectly as a vintage walkman. Included components : Tape player, earphone, instruction manual.