please fully charge the product for 120 minutes before the first usage.
Please fully charge the product brfore each use to ensure continuous pleasure.
Do not use alcohol, gasonline or acetone cleaners.
Do not put the product directly into boiling water to clean it.
Avoid direct sunlight and do not expose the product to high temperature environment.
Do not use the product under swollen or damaged skin.
For adults only, please keep the product out of the reach of children.