HomeSpot NFC-Enabled Bluetooth Audio Receiver for Sound System Bluetooth 4.0 (2.1+EDR backward compatible); Support A2DP profile; Store 8 paired devices Superior wireless performance; Transmit up to 66 feet away with line of sight Tap-and-pair and tap-and-connect the receiver with NFC-equipped Android, Windows 8 and Nokia phones Plug the receiver into any A/V receiver, stereo system, or speaker through standard RCA or 3.5 mm jack; UL-plug AC adapter included Play music wirelessly from your Bluetooth-capable smartphone, iPod Touch, iPhone, iPad, Android.