Booster pro Medicube Age-x Key Features and Functions: Multiple Technologies: Integrates microcurrent, Electrical Muscle Stimulation (EMS), and electroporation technologies, in addition to LED light therapy and sonic vibration. Operating Modes: Booster Mode: To significantly enhance skin permeability and product absorption. Air Shot Mode: Used on dry skin to help improve texture and pores. Additional Modes: Includes functions for facial lifting and elasticity improvement. How to Use: The device is turned on by pressing and holding the power button (more than 2 seconds), the "MODE" button is used to switch between functions, while the power button is used with a short press to change intensity levels.