DYM007-005 Scalp Medicine Device Massage Comb Red Light Vibration Scalp Smear Potion Essence Liquid Guide Device 1. Protects hair and hairline 2. Precision roller balls penetrate the scalp to infuse essential nutrients to nourish hair 3. Easy to disassemble, easy to clean and can be used as a stand-alone scalp applicator 4. Extra large top cap for hygienic and convenient introduction of essence 5. EMS micro-current stimulates the scalp and reaches the dermis through the scalp, stimulating massage on the scalp and subcutaneous muscles 6. Negative ion hair care, enhance hair moisture retention, restore hair shine and prevent split ends 7. Red light balancing oil, open the blood supply and nutrient supply of hair follicles, enhance the vitality of hair follicles 8. High frequency vibrating blood massage, promote scalp blood circulation and absorption of hair nourishing liquid, restore the vitality of the scalp, renew hair 9. 5 levels of adjustment to suit different needs 10. Battery capacity: 700mah 11. Power supply mode: USB charging built-in lithium battery Instructions for use. 1. Press down firmly to remove the reservoir 2. Open the cap on the reservoir 3. Use the dropper to fill with the nutrient solution or hair toner and close the lid of the reservoir 4. Press the reservoir gently against the reservoir slot.