Nolan Rx Bluetooth Wireless A2DP Stereo Audio Receiver and Adapter for portable speakers, speaker docks, home stereo, car audio and wired headphones. Detachable 3.5mm audio plug, Adjustable audio output volume control. Additional Handfree and headset profiles supporting with embedded microphone Upgrade instantly the most of portable speakers, speaker docks, home stereos systems, car audio and wire headphones to wireless music players, enjoy free of wireless audio world. Streaming stereo music with Bluetooth Audio/Music devices via A2DP profile with high quality sound 3.5mm audio jack with detachable audio plug to connecting with different stereo systems, car audio (AUX In) and portable music devices(Line in) easily and conveniently. Adjustable output audio volume for desired audio output volume Enable wired headphones to Bluetooth headphones by plug audio plug. Such as Sony, Beats, Bose, Monsteretc Easy to use, simple to pair, support pair pins code 0000, LED indication. With internal rechargeable battery, up to 10+ hrs music playing time and 5+ days standby time Full Bluetooth Class 2 operation with good RF range and freely up of 10+ meters (33+ feet) and more to cover your home. Supports the latest "Faststream" , if your Bluetooth stereo transmitter supports "Faststream", User can enjoy good experience with less time delay of audio transferring when watch TV or Movie