Bluetooth 4.1

The Bluetooth 4.1 HW-771 MP3 Decoder Audio Receiver Board is a versatile module that enhances car audio systems with wireless streaming and MP3 playback. It supports Bluetooth 4.1, TF cards, and USB drives for MP3, WAV, APE, and FLAC file playback. With onboard controls, LED indicators, and a 3.5mm stereo output, it offers easy operation and high-quality sound. Compatible with 5V power supplies, this module is perfect for car speakers, DIY audio projects, and portable speaker setups.