Feature:1. Bluetooth Version: Bluetooth 5.2+EDR, stable and fast transmission. Content transmission without delays.2. USB+AUX: USB+AUX dual input function, can be used directly by plugging in USB, can be connected to Bluetooth headset and speaker.3. Support Equipment: Connect two stereo headsets or Bluetooth speakers at the same time.4. HD Sound Quality: HD sound quality, no noise, stable signal, enjoy the fetching world.5. Portable Design:The compact wireless adapter is small, lightweight and easy to carry.How to Use:1. Insert the USB into the USB port of the TV or computer, and the blue light flashes quickly to enter the Bluetooth search state. Turn on the Bluetooth headset or Bluetooth speaker to enter the pairing state, and the product will automatically search for the connection. (Note: The TV USB must support USB output, which is selected in the TV sound settings) The blue light will be on after the connection is successful.2. USB power supply, connect the 3.5mm cable to the AUX interface of the product and the TV or computer or MP3 player and other devices, the red light is on, and the blue light flashes quickly to&