1、Superior Performance: This wireless audio adapter uses the advanced Bluetooth 5.0 chip for low power consumption and high speed. Stable signal transmission. 2、Good Sound Quality: Support high fidelity coding technology, high sound quality and low delay. Retain more details of the music and enjoy CD level sound quality. 3、Transmitter Mode: TX receiving mode converts wired signals into bluetooth and transmits them to the headset over the bluetooth connection. 4、Receiver Mode: RX receiving mode, receives bluetooth signals from wireless devices and transmits them to wired audio through bluetooth connection. 5、High Compatibility: Compatible for Android and for IOS mobile phones and for PAD, and bluetooth speakers or earphones that support A2DP protocol.