specification: _x000D_Item Type: Derma Roller_x000D_Material: ABS, Stainless Steel _x000D_Supply Voltage: 5V_x000D_Vibration Frequency: Slight_x000D_Use Condition: Face_x000D_Color: Mixed red, blue, green and yellow_x000D_Main Functions: Deep repair_x000D_Power Supply Mode: USB plug-in, 4LR44 6V battery (not included)_x000D_Usage:_x000D_1. Soak 75% cleaning agent for 15 minutes before and after use for cleaning, and then rinse with boiling water._x000D_2. Clean your face with cleanser, and wipe excess water with makeup cotton._x000D_3. Apply the lyophilized powder solution to the skin evenly._x000D_4. Gently roll the micro needle roller on the face in the shape of star to avoid damage caused by too much force. Roll one part for 20 times._x000D_5. Apply special repair mask to avoid infection caused by other masks_x000D_6. Apply the relevant special solution, and do not wash your face on the same day after using the micro needle Features: 1Clean skin, wake up vitality, vibration phototherapy micro?needle roller for face skin. 2Clean skin awakens vitality, rapid vibration, deep repair, make your skin tender and delicate. 3High frequency vibration, phototherapy irradiation, deep penetration, vibration phototherapy micro?needle roller. 4Blend light, suitable for all skin types, especially promotes hydration on forehead, nose and chin while fading eye wrinkles and cheeks. 5Blue light (463mm/480), recommended for sensitive and oily skin, especially skin rashes, is usually used to remove acne. PackageList: 1 x Derma Roller 1 x Manual 1 x Box 1 x USB Cable