Feature: 1. Can promote the regeneration of collagen and make the active ingredients penetrate the skin better, care for skin. 2. Rotate clockwise to lengthen or shorten, easily adjusting the length of the needle, 2.5mm adjustable needle length. 3. Widely applicable to different types of skin or facial areas, such as forehead, nose, eyebrows, buttocks, etc. 4. Help improve scar and stretch marks, moisturize and rejuvenate skin. 5. Streamlined handle, conform to ergonomic designs, non-slip and easy to grip. 6. 5 gears rate can be adjusted, you can regulate it according to need. Specification: Condition: 100% Brand New Item Type: Electric Micro-Needle Machine Model: H3-W Color: Blue Voltage: 100-240V Output: 5V-1A Battery Capacity: 500 MAh Battery Type: Lithium Battery Battery Model: 14500 Adjustable Gear: 5 Gears Adjustable Fitting Needle Head: Bayonet micro-needle needle head (default long blue micro-needle needle head) Whether Has Electricity: Yes. Package List: 1 x Main Machine2 x Needle Head1 x USB Cable1 x Plug1 x English Manual Note: The use of microneedles:1. Use of microneedles: cleansing face --- apply the product to be introduced at the site to be done --- operate microneedles for 10-15 minutes It is recommended that the first time the parents operate, try to control the time gently and softly for about 10 minutes (stick on the part to be done, no need to push hard). When operating, the same part should not exceed 3 seconds, do the part 3 times back and forth, and do not eat seafood within 3 days after the microneedle.2. It is recommended to apply a small amount on the skin behind the ear before using the product.3. After operation, slight redness and slight itching and itching are normal.4. The instrument should pay attention to waterproof measures, and do not allow liquid to enter the instrument. Avoid inverting the instrument during operation. Serum liquid can easily move back into the tube from the needle, making the machine inoperable.5. After using microneedles, do not touch tap water for 6 hours, easy to get infected. You can wipe the face with saline, cool boiled water, or toner. The second is not recommended for heavy makeup.6. After using microneedles, moisturize skin and sunscreen.