This is a power fuse holder, also known as a fuse tube box, specifically designed for automotive audio and in - car audio system modifications. The fuse it is equipped with has a rated current of 60A, which can effectively safeguard the circuit and ensure the stable operation of the automotive audio system. It features a mini - type design, taking up little space. It can easily adapt to various internal environments of cars. Whether it's a compact car or a large - sized vehicle, it can be perfectly installed. While saving in - car space, it ensures a reasonable layout of the audio modification circuit. The charging type is a common car charger, and the charging method is wired charging. This common and stable charging method guarantees compatibility with various car charging interfaces, so users don't have to worry about compatibility issues and can use it more conveniently. It is an essential high - quality accessory for car audio enthusiasts during the modification process, which can enhance the automotive audio experience and allow you to fully enjoy high - quality in - car music.