1. Promote Collagen: Hyaluronic injection pen stimulates the skin regeneration response, effectively promoting the production of collagen type III.2. Multifunction: Face injection pen is suitable for wrinkles, loss of firmness and elasticity, dullness, uneven skin texture, hyperpigmentation, blemishes and large pores.3. Young Looking: Facial injector pen can make your skin more radiant, plump and healthy, which will make your skin white and delicate, make you look younger.4. Easy Operation: Just charge the skin injector pen before use, and replace the cartridge, then you can enjoy delicate skin care and unique skin spa at home.5. Widely Use: Electric hyaluronic injection pen with 2 modes, suitable for arm, waist, thigh, and back, adopted USB charging cable and ABS material, which can be used for a long time.Specification:Item Type: Hyaluronic Injection PenMaterial: ABSProduct Color: BrownProduct Mode: 03 mode, 05 modeBattery Type: Lithium Battery(Included)Battery Capacity: 2000mAh Power Supply Mode: USB ChargingHow to Use: Dosage 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 on, the number 9 represents a dose of 0.09ml, and the