The music bracelet is charged and shaken twice, and it's gone.

Does the subject want to ask, "Is it normal to charge and vibrate the music bracelet twice?" Normal. When the Lexin bracelet is fully charged, it will vibrate twice, indicating that the charging is complete. This kind of vibration can help the user to confirm whether the bracelet is charged normally and know the time of charging completion, which is a normal phenomenon. Guangdong Lexin Medical Electronics Co., Ltd. was established in 2002 and is headquartered in Zhongshan, Guangdong.