1Mii Hi-fi Wireless Bluetooth Receiver-Bluetooth 5.0 & aptX Low LatencyThe 1Mii Bluetooth audio receiver uses the most innovative Bluetooth technology. It implements Bluetooth 5.0 QCC3005 chip and the aptX Low Latency technology that delivers the most superior sound quality.-164FT Long Range for Bluetooth Music StreamingThis Bluetooth 5.0 receiver can achieve a range of up to 164ft (50m) line-of-sight in open air and up to 50-70ft (20-30m) indoors.-Power On and Automatic ReconnectionThe updated version will power on if you plug the Bluetooth receiver into a switch outlet and reconnect automatically with the previously paired device.-3D Surround Sound FunctionWith the 3D audio button, you can switch to 3D mode to enjoy the surround sound with High Fidelity from a normal audio source. Its advanced internal chip takes charge of the conversion to make it possible, using convenient lossless codes.What's in the box?1x 1Mii Bluetooth Receiver1x USB Power Cable1x USB Power Adapter1x 3.5mm to 2 RCA Male Cable1x User's manualNote:please use 5V power supply! Do not use unmatched power sources (e.g., 9V /12V), which may lead to equipment failure!