❤ Ultrasonic Skin Scrubber】The facial scrubber produces 24K HZ high-frequency vibration to clean facial acne, comedones, blackhead, spot and dead skin, penetrates toner/serum deep into the cuticle layer, optimizing, moisturizing elastic skin, less wrinkle, tightened pore and improved skin metabolism. ❤ 【Upgraded Skin Care Tool】245a high frequency battery range, 3-5 Ma, 3-position battery life adjustment.No harm to the skin,just re-open it to use.Durable and portable USB charging cable to charge