The Esinkin Wireless Audio Receiver Is A Wireless Adapter For Speakers That Listen music wireless Now you can listen music on your smart phone or table by plugging this adapter into your speakers, and make your speakers turn into a wireless sound system which can be connected with your smart phone or tablet. Easy to setup It is simple to pair your smart phone or tablet to the wireless audio adapter with a single button press, and you can use your smart phone and tablet and music at the same time through this audio adapter which has multipoint wireless connectivity. Long range This adapter can receive music from up to 15 meters ?50 feet?way, so you can control your music more conveniently and you do not have to dock your speakers. Listen music wireless:Stream your audio entertainment from your smart phone or tablet.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. Works with most speakers: Plug the adapter into any A/V receivers and any powered speakers using standard RCA or 3.5mm jacks. This adater with AC plug and USB power cable, also can use for car audio system. Long wireless range: Stream and control your music with a reliable connection from up to 15 meters 50 feet, 1 Year warranty. Superior acoustics: Don?t compromise on sound delivers high-quality acoustics. This product is ONLY a receiver ,not a transmitter.