This receiver instantly makes your speaker system and other favorite audio devices Bluetooth compatible. It’s the perfect solution to stay connected to your playlists without the limited range of audio cables. You don't have to stop with speakers. Any equipment with a 3.5mm jack or RCA audio ports, like car stereos and sound bars, is easily converted to a Bluetooth device. A Micro USB charging cord, 3.5mm audio cable and 3.5Mm-to-rca adapter are included to power your receiver and stay connected to your music.