This 5V / 12V USB KIT Bluetooth MP3 WMA FM AUX with remote is a versatile car stereo receiver perfect for any car audio setup. Bluetooth connectivity lets you stream music from your smartphone or other compatible device. The USB port enables you to play MP3 and WMA files directly from a USB drive, while the FM radio tuner enables you to listen to your favorite radio stations. The included remote control makes it easy to adjust the volume, change tracks, and more, without ever having to take your eyes off the road. This car stereo receiver is a must-have for anyone who wants to enjoy high-quality audio in their car.