Upgrade your DIY audio projects with this Bluetooth MP3 Decoder Module with FM Radio, USB, AUX & TF Card Support, designed for smooth, reliable and versatile music playback. This compact yet powerful audio player board is perfect for building Bluetooth speakers, amplifier systems, home audio setups and electronics hobby projects. The module features stable Bluetooth connectivity for wireless music streaming from smartphones, tablets and laptops. In addition, it supports USB pen drive and TF card playback, giving you multiple options to enjoy your favorite MP3 music anytime. The FM radio function allows you to tune into local stations, making this decoder module an all-in-one audio solution. Equipped with a built-in high-sensitivity microphone, this Bluetooth decoder enables hands-free calling, making it ideal for Bluetooth speaker systems and DIY audio applications. The clearly labeled interface and 5V DC power input ensure easy installation, even for beginners and students working on electronics projects. Designed for durability and long-term performance, this MP3 audio decoder board is widely used in DIY speakers, car audio upgrades, home amplifier projects, electronic repair work and hobby kits. Whether you are a student, hobbyist or professional technician, this module offers excellent audio performance and dependable operation.