Advanced Audio Technology This Bluetooth MP3 Decoder Board delivers sound and supports MP3 and WMA formats. It enables seamless wireless streaming from a smartphone and supports hands calling. UserFriendly Design The included remote control allows convenient music management from a distance. for upgrading home audio systems or adding Bluetooth capability to existing car stereos. Versatile Connectivity and Tuner USB and TF card slots enable playback from USB drives and microSD cards. An integrated FM radio tuner provides access to a range of radio stations. Key compatibility and performance notes Works with smartphones for wireless audio streaming and hands calls via Bluetooth. Supports MP3 and WMA audio formats for versatile playback. Suitable for both home audio upgrades and car audio enhancements. Use scenarios Home audio upgrade: connect to a stereo system to stream music wirelessly and take calls hands. Car stereo enhancement: add Bluetooth to a car stereo for wireless music playback and hands calls. USB/TF playback and FM radio: use USB drives or TF cards for playback, or listen to FM radio in a compact audio setup.