You need to get a Chromecast device, it connects to your network and allows the Q2 headset to communicate with the TV.

https://www.amazon.com/Google-Chromecast-Generation-Media-Streamer/dp/B07M9BKHNZ/ref=mp_s_a_1_4?crid=228BZSSRUMH65&keywords=chromecast&qid=1684111429&sprefix=chromecast%2Caps%2C149&sr=8-4