Features： 1、High?definition screen display gear speed, chaging and plug in dual use to meet your different demands. 2、Five?gear strong power, intuitive display of the current gear to ensure better operation, more convenient to use. 3、The needle length can be adjusted within the range of 0?2.5mm, and you can enjoy the salon grade care at any time. 4、Spiral interface, prevent flying needle, the needle can be firmly fixed on the machine by rotation and will not slide. 5、Suitable for both home and salon use, come with 2pcs needle of the package, USB chaging cable for easy charging. Specification： Item Type: Micro Needle Pen Material: Aluminum Alloy Color: Green Battery: Built-in lithium battery 800mAh Functions: Serum introduction, pore contraction, skin repair, lift and tighten, brighten and whiten skin, fade spots Needle Type: Spiral interface Gears: 5 Gear adjustment Needle Length: Approx. 0 ~ 2.5mm / 0 ~ 0.1in Power Supply: USB charging Input Voltage: 5V Applicable Scene: Home, beauty salon Solve the 7 major skin problems: 1. Transdermal imports: hyaluronic acid can be introduced to moisturize skin and fade fine lines; 2. Repair acne: imports EGF lyophilized powder to repair the damage from the skin bottom and solve the problem of acne marks and pimples; 3. Shrink pores: Introducing hyaluronic acid can shrink pores and tighten skin; 4. Tender, white and fade spots: imports serum to brighten skin color, soften skin and fade spots from inside to outside; 5. Lifting and tightening: the introduction of tightening serum can moisturize and tighten the skin; 6. Acne/ close acne: introduce acne cream to repair the skin; 7. Hydrate and moisturize: imports hydrating products. Test before use: It is recommended to apply a small amount on the skin behind the ears before using the product. After 24 hours, it can be used without redness and itching. Needle use: 1. Clean up the face 2. Apply the serum to the part that needs to be operated 3. Long press the host switch for 3 seconds, the machine will run, short press the switch to adjust the speed. It takes about 10-15 minutes to operate. It is recommended that the first time you operate, try to work gently and control the time for about 10 minutes (just stick it on the site, don't push it hard). During operation, the same part should not exceed 3 seconds, and move back and forth about 3-5 times. After the operation is completed, press and hold the switch of the host for 3 seconds to shut down. 4. After operation, you can apply the serum to the skin to absorb it, and apply the repair facial mask directly. After needle use: 1. After the operation, the skin appears reddish, slightly tingling, and slightly itchy is normal. It can be relieved by applying soothing repair mask. 2. Do not touch the tap water after 6-8H operation to avoid to be infected. You can use normal saline to wipe the face with cold boiled water. Can apply light makeup after 24H, while it takes 3 days to have light makeup after 3 days steel needle operation . 3. After finishing, you need to replenish more water (apply repair mask/moisturizing mask in the morning/evening), use alcohol-based skin care products for sunscreen, and do not eat seafood for 3 days 4. Clean with warm water the other day after operation and can do normal skin care. Note: The micro needle instrument should be waterproof, and do not let liquid enter the instrument. After the operation, you can use a cotton swab to clean the thimble of the instrument to prevent the serum liquid from flowing into the instrument and make the instrument accessories stuck and unable to operate. Reminder: Please use a 5V output power source for charging, such as a mobile phone charging head. Package List： 1 x Micro Needle Pen 2 x Micro Needle 1 x USB Cable