1. Please close the lid of the charging case when charging the earphones.
2. It's necessary to clean the earphones regularly with dry cotton cloth or paper towel.
3. The correct way to wear these earphones is:
(1)Put the main body of the earphone into the ear;
(2)Then rotate the ear hook on the ear.
4. For longer using life, please clean the charging copper column with paper towels or dry rags after using to prevent sweat corrosion.