1. The four-in-one Bluetooth receiver transmitter can change the wired seconds into Bluetooth function.
2. Two Bluetooth modes and four link modes. 3.5 Audio cable transmission, COMPUTER USB transmission, U mode reception, 3.5 audio cable reception.
3. Desktop computer USES Bluetooth transmission, USB direct audio transmission, analog computer sound card wireless transmission of computer audio to Bluetooth headset or Bluetooth speaker
4. Traditional TV USES Bluetooth transmission, USB 5V power supply, 3.5mm audio cable link. Plug and play, wirelessly transmits TV audio to a Bluetooth headset or Bluetooth speaker
5. Wired speaker second-variable Bluetooth speaker, which supports speakers with U plug function, can be directly plugged into USB to transfer mobile phone to search for product pairing second-variable Bluetooth speaker