If the firing end is wet, make sure you clean the spark plug with a quick drying cleaner. (Examples: contact cleaner or brake cleaner).

如果点火端是湿的，确认使用快速清洁剂清洁火花塞。 （例如：精密电子清洁剂或刹车系统清洁剂）；

youdao

Both editions feature re-tuned drivers touting better response for bass and cleaner output, along with a re-tooled approach to the quick disconnect cables and a new media cable with a revised inline remote and mic.

ENGADGET