XIANQI Product Description: Quantity: 1pcs Color: black 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 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 Works with most speakers, Superior acoustics: Plug the adapter into any A/V receivers and any powered speakers with standard RCA or 3.5 mm jacks. Don't compromise on sound delivers high quality acoustics