Consumption level. According to the inquiry of hello Voice in official website, the gold, silver and copper of hello Voice are consumer grade, and there are five grades of * * *, namely Yao Xing, diamond, gold, silver and copper. Hello Voice is a product based on strangers' voice socialization created by Bigo. It strives to provide users with the most stable game service, let users build bridges through voice, and get a better experience of making friends with strangers based on games and interests.