First of all, determine whether your TV has Bluetooth function, if there is Bluetooth function, open the AirPods charging case cover, long press the small button behind the charging case until the indicator light turns white and flashes, enter the millet TV setting, open the Bluetooth search pairing, find the Airpods and then pair to connect.
Generally, after the TV is connected to the headset, the TV speaker will be disabled.
It cannot be connected, because millet TV belongs to the brand of millet, Apple belongs to the brand of Apple, and the two models are different