지연시간 없는 무선 헤드폰

    - No or Low Latency Headphone

Avantree HT280 : 0ms - $100   <====
https://avantree.com/ht280-wireless-headphones-for-tv
    - 2.4 GHz 방식, 지연시간 0 ms
    - 헤드폰

    - 무게 : 3.88 ounces (110 grams)

Order Summary
Items: $99.99
Shipping & handling: $10.51
Total before tax: $110.50
Estimated tax to be collected: $0.00
Order total: $110.50 => 13만


//-------------------------------------
Avantree HT380 - $90

https://avantree.com/ht380-wireless-headphone-for-tv-watching
    - 이어폰 형태
    - 2.4 GHz 방식,

    - 무게

https://www.amazon.com/Avantree-Wireless-Headphones-Watching-Awareness/dp/B07TMW7WF6
HT380 - 2.7  oz (76g)
HT381 - 1.9 oz (53g)

//-------------------------------------
Avantree HT5150 : 40ms - $110
https://avantree.com/ensemble-ht5150-bluetooth-headphone-for-tv
    - Bluetooth 5.0 , 지연시간 40 ms