Feature:1. Promote Collagen Production: Electric hyaluronic injection pen stimulates the skin regenerative response and promotes the production of collagen type III, make skin tender and delicate.2. Wide Range Of Use: Hyaluronic injection pen aims at various skin problems such as fine lines, wrinkles, loss of skin firmness and elasticity, dullness, uneven texture, hyperpigmentation, blemishes and enlarged pores.3. Rechargeable Design: Built in 2000mAh high capacity lithium battery, USB charging design, just charge the host before use, you can enjoy skin care at home.4. Ergonomic Handle: Suitable for any skin care serum, simple and reliable. Comes with 2 heads, easy to install. Non slip handle, easy and comfortable to hold.5. ABS Material: Skin care injection pen adopts excellent ABS material, safe and eco friendly, firm and sturdy, stable and no deformation, durable for uss.Specification:Item Type: Hyaluronic Injection PenMaterial: ABSProduct Color: WhiteProduct Mode: 03 mode, 05 modeBattery Type: Lithium battery (built in)Battery Capacity: 2000mAhCharging method: USB chargingDosage Instructions:After the dose adjustment in 03 mode is turned on, press the 03 mode key to switch to the 03 mode. Now the screen shows 0, press the 03 mode key again, the screen shows the number 3, which means the minimum dose is 0.03 ml. The number 3 on the button represents a dose of 0.03ml, the number 4 represents a dose of 0.04ml, and so on, the number 9 represents a dose of 0.09ml, and the number A means that 0.1ml can be entered. Number 3 shows the minimum dose and A indicates the maximum dose.After the dose adjustment in 05 mode is turned on, press the 05 mode key to switch to the 05 mode. Now the screen shows O, press the 05 mode key again, the screen shows the number 3, which means the minimum dose is 0.03ml. The number 3 on the button represents a dose of 0.03ml, the number 4 represents a dose of 0.04ml, and so