The GMCELL C 28 Wireless Transmitter & Receiver is a new in box Bluetooth adapter that allows for wireless connectivity between devices. It features Bluetooth v5.0 standard and comes with a cable and plug for easy connection. The compact design includes a 3.5mm jack port and is designed to fit audio receivers, making it versatile for use with various devices. With custom bundle features, this adapter is ideal for use with PCs, TVs, and speakers, providing convenient wireless connectivity options for your home network.