esinkin Bluetooth Receiver for Music Streaming Sound System, Bluetooth Audio Adapter for PC/Mac/Smartphone/Tablet/AV Receiver, with on/off SwitchListen music wireless: Stream your audio entertainment from your smart phone or table. Listen music through your perfect sound system from your smart phone or tablet with perfect sound quality. Easy to setup: Simply pair your smart phone or tablet to the audio adapter with a single button press Long wireless range: Do not have to dock your mobile device with reliable audio connection and it can receive music from up to 10 12 meters(30 40 feet) away