Bluetooth Music Receiver for Sound System Features Bluetooth v3.0 with EDR for superior wireless performance Transmits up to 33 feet (10 meters) away Compatible with all devices enabled with A2DP stereo Bluetooth Two-Link: can connect two Bluetooth devices at the same time What's in the Box: Bluetooth Music Receiver, Mini USB Power Cable, User manual, 3.5mm-to-3.5mm Audio Cable.