MicroNeedle Electric Derma Machine Skin Rejuvenation Beauty Machine Device with Cartridges(Green ) Condition: Item Type: Derma Machine Material: ABS Charging Voltage: 5V Motor Speed: 8000 RPM Power Supply: USB charging Battery Capacity: 600mAh Power: 6W Operation Method: Wash your face with a cleanser, please.Take out the massage head for face massage, pay attention to the strength of micro-current and adjust it to an acceptable level. Take out the nano micro needle and imports into skin caring products. Pay attention to adjust the strength and microcurrent strength. Micro needle cannot repeat use: The properties of micro nano needle are different from those of conventional materials. Under normal conditions, the nano needle cannot be cleaned with ordinary cleaning agents (complete cleaning can be done under laboratory conditions).If the needle is reused, the skin caring substance will cover the skin and affect the effect: the skin caring substance may nourish harmful substances and harm the skin. In serious cases, it will cause local redness and inflammation of the skin. Note:1. Do not wash face, touch water or make up for 8 hours after nursing.2. Don't eat spicy or sea food that day.3. Avoid direct sunlight for 4 hours.4. Face filling surgery is not suitable e.5. The instrument cannot be washed directly.6. Do not disassemble or modify the instrument at will.7. Do not use or keep near the fire source.8. Please avoid strong pressure or strong impact on the product button motor and plug in interface to avoid damage or failure.9. Please use the original plug‑in unit provided by the product. The use of other plug‑in units or adapters may easily cause damage to the product.10. In order to avoid product dropping, please maintain a stable grip position.11. After use, wipe all parts of the body with dry cloth to keep it clean.12. Do not leave it to charge for a long time, which will damage the battery life.