The BYT multi-purpose earphone operations divide into four steps separately, before the operation, please do inspect four to move according to turn whether to be in the R/L/G/M four letters separately...
急,重谢!请翻译成英文万能耳机说明书BYT万能耳机操作分别分为四个步骤,操作前请检查四个拨动按扭是否分别处于R/L/G/