Looking for an affordable Bluetooth audio receiver for your sound system? Look no further than this compact and clever module. With the ability to connect to a speaker and a USB cable for power, you'll have a complete Bluetooth setup that allows you to transmit audio from your iPhone without any cords. Plus, this module is perfect for use with your Arduino or Raspberry Pi setup. Don't break the bank on a pre-made receiver – make your own with this versatile and affordable module.