Realme's latest true wireless earphones have all the bells and whistles you may want from premium true wireless earphones. Great sound quality, long battery life, noise cancellation and even an IPX5 rating. But how is Realme able to offer all this at a low price? To answer that question, we decided to go right to the source. Today, we're at Realme's true wireless earphones factory to give you an in-depth look at exactly what goes into building and testing TWS earphones.