✅ 【Innovative and Effective】Electric micro-needle pen can be used with suitable skin care products. Helps to promote the absorption of skin care essence, firms and lifts skin to make it smoother. It also helps to reduce many common skin problems. You can enjoy good skin care at home anytime ✅ 【6 Pcs Single Cartridges】This kit comes with 6 individually sealed disposable micro needle cartridges for optimal safety and comfort. It is hygienic and convenient, just replace the cartridge after each use (do not share the cartridges with others, avoiding cross infection). With 2 pieces x 12 needles, 2 pieces x 36 needles, 2 pieces x Nano round, you can change different cartridges according to the treatment ✅【5 SPEED LEVELS & ADJUSTABLE DIAL】Micro needle pen has 5 adjustable speed levels (8000~18000rpm) and adjustable dial to suit different skin types and treatment areas. This high speed vertical movement to reduce pain to a minimum, skin absorption can reach more than 40 times and improve acne scar by more than 50% ✅【Available both wired and wireless】Comes with 2 lithium batteries with charger, one is rechargeable, the other wireless, you can choose any working mode. One year warranty, worry free purchase. Note: After receiving, charge for 4-6 hours until the green light turns on, then long press for 2 seconds to ON/OFF ✅【Use】Use every 7 days, a little pain, so it is recommended to use an anesthetizing cream (especially the forehead area). After treatment, the face is red and slightly warm, do not worry, it is a normal phenomenon of blood circulation. For the next two days, use freeze-dried powder, mother solution and essence mask, repair cream, do not use other products and do not make up