SM-2102 EMS Color Light Meridian Dredging Scraping Massager 1. Biological micro-current, electric scraping, dredging the meridians 2. Quick scraping, full body massage, shaping body, warming the palace and dispelling cold, regulating internal organs 3. Ion introduction, accelerate the absorption of nutrient solution 4. EMS micro-current meridian stimulation, red, green and blue cycle phototherapy, 3-speed adjustment, automatic timing, one-key operation, metal massage head 5. 12 dots massage heads, effectively stimulate the acupuncture points of the human body and relieve local soreness 6. The arc fits the neck and face, which can be used for lifting, reducing edema and skin care 7. Intelligent timing, automatic stop after 20 minutes 8. Easy-grip design, one-button start, one-handed operation 9. Material: ABS 10. Working time: 20 minutestime 11. Battery capacity: 300mAh 12. Power mode: USB charging built-in lithium battery 13. Power light wavelength: red: 630nm; blue: 470nm; green: 525nm 14. Working voltage: 3.7v 15. Charging input current: 5V 1A 16. Working current: 100mA 17. Use power: less than or equal to 0.85w 18. Charging power: less than or equal to 2.75w 19. Charging time: about 3 hours 20. Note: The instrument only has an auxiliary function and needs to be used in conjunction with skin care products 21. Dimensions: 98x79x32mm 22. Weight: about 70g