Product Condition: Medicube AGE-R Booster Pro Mini White Purchased during the Mega Sale. Used 3 times. Will be sent after disinfecting the contact surface with alcohol. Retail Price: 13,000 yen Box, instruction manual, charging cord, and all other accessories included. How to Use: Recommended usage time: 5-10 minutes per use Recommended usage frequency: 1-3 times a day, daily ① Long press the power button to turn on the power. ② Press the power button once briefly to select the desired level. (5 levels available: 1-5) ③ If you want to change the LED color, press the power button twice briefly. (Basic LED color: Red) * Returns and exchanges are not possible. * Operation confirmed.