The USB Wireless Bluetooth 5.0 Transmitter Receiver 3.5mm 2in1 Audio Adapter Aux Car is a versatile device that allows for wireless Bluetooth connectivity with a transmission distance of 10 meters. It can be used as a transmitter or receiver, making it suitable for various devices such as PS4, headphones, MP3 players, TV, audio receivers, PCs, and more. With Bluetooth v5.0 network connectivity, this adapter offers a high transmission rate of 100 Mbps and a battery capacity of 250 mAh for extended usage. Its compact design, plug-and-play functionality, and 2-in-1 design make it a convenient and lightweight option for home stereos, speakers, and car auxiliary systems.