Buy something that transmits and receives Bluetooth at an online mall.
Must have 2 functions: (some only accept Bluetooth pairing, can not connect to the TV to transmit Bluetooth signals)
1 is the TV can be connected to other sound Bluetooth stereo or Bluetooth headphones have sound.
Another feature is to pair Bluetooth phones with Bluetooth speakers or headphones. (Advanced can connect multiple Bluetooth devices)
Here's what you can buy online.
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levn\/ Lelang 010 Bluetooth Adapter 4.0 Receiver Transmitter 3.5 Audio to TV speaker
Transmit function Receive function 2-in-1 Bluetooth 4.0