Ion Introduction & Extraction Function: Using positive (+) and negative (-) ions, it draws out skin impurities and supports the penetration of serums and lotions. Gentle Vibration Massage: Gently stimulates the skin with a pleasant vibration, refining the texture and leading to firm skin. How to Use: ① Wash your face and cleanse your skin. ② Apply lotion or serum. ③ Turn the device ON and slowly massage your entire face. (Approximately 5-10 minutes per session is recommended) Specifications: ・Modes: Introduction (-)/Extraction (+) ・Power: 2 AA batteries (sold separately) ・Lightweight and easy to hold, convenient for carrying Condition: New, unused (may be opened for inspection) Shipping: Carefully packaged with bubble wrap and shipped anonymously. Just by adding it to your daily skincare routine, you can achieve a higher level of beautiful skin care.