Product usage and operation demonstration 1. The Latest Bluetooth 5.2 CSR8670 Chip The latest Bluetooth 5.2 technology enables your aux Bluetooth adapter backward compatible with Bluetooth 5.0/4.2/4.0/3.0/2.0 and it can deliver more stable wireless to your devices. 2. aptX Low Latency (aptX LL) With advanced aptX Low Latency technologies, it can deliver up 80% lower latency. Whether you are playing video games or watching movies, youll experience high quality sound without audio and video to be out of sync issue. 1Mii Bluetooth headphone adapter support aptX Low Latency in dual link mode as well. 3.Dual Link 1Mii ML300 Bluetooth Audio Receiver/Transmitter can connect 2 headphones or speakers at the same time, sharing TV with family/friend/lover with this Bluetooth audio transmitter. 4.2-IN-1 Transmitter & Receiver 1Mii ML300 Bluetooth audio transmitter support transmitter and receiver mode. In Transmitter mode, it is very easy to turn a non-Bluetooth TV, PC into Bluetooth transmitter. In receiver mode, Bluetooth 5.0 chip ensures high fidelity Bluetooth audio signal for music streaming to those speakers or home stereo systems that doesnt have the capability. 5.Ultra Compatible, Plug and Play Instant setup, just plug and play. 1Mii Bluetooth audio adapter supports both 3.5mm and type C iutput. For type C iutput it compatible with windows7/8/10, macOS, Linux,Ubuntu,PS4 and Nintendo switch. The Type C port has two functions, one is as a charging port, and at the same time as an audio input port in TX mode (Note: the premise is that the USB port of the device supports audio output). 6.Long Battery Life 1Mii Bluetooth receiver for home stereo deliver long 12 hours in transmitter mode and up to 15 hours in receiver mode all on one charge. 7.Free