Bluetooth 5.0 adapter: Bluetooth adapter jack use the latest Bluetooth V5.0 technology, the Bluetooth signal is more stable and faster. Generally, no signal interference will occur within 10 meters, more fun to use. Pocket size, portable to carry it by your side. No driver required, plug and play. 3-in-1 transceiver: bluetooth adapter there are 2 modes, it can be a transmitter (red light) and even of a receiver (blue light). In transmit mode: TV, MP3/MP4, PC, CD player, iPod etc. non-bluetooth can pair with bluetooth speaker or headset using this bluetooth transmitter. In receive mode: It is ideal for music streaming at home or in the vehicle. Bluetooth Name: T-10. High Fidelity & Low Latency Audio: With built-in advanced technology, both transmitter mode and receiver mode support APTX. Say goodbye to the painful Bluetooth latency, providing an instant sound experience.Bluetooth 5.0 adapter USB dongle can be used with laptops/PCs/headphones/TV etc.does not require any external driver to be installed. Quick Connect: Plug the device into a USB port for power (such as a USB charging port on a TV, computer, or cell phone charger), the device will automatically turn on and the device will turn on the red light and flash quickly, that is, enter the state of wireless search, can easily let your PC, computer or other devices connect to Bluetooth devices more wirelessly. Package List: 1 x Bluetooth USB Aux Adapter, 1 x 3.5mm Aux Cable, 1 x User Manual.