An LED gua sha tool that packs a punch! Combining three top of the line technology features for maximum results. LED Light x Heat x Sonic Vibration. Key Benefits * firm and massage the face * reduce facial tension and stress * aid in the penetration of skincare products * promote lymphatic drainage * give skin a healthy glow What I do * Red LED: with healing properties proven by NASA, red LED helps boost collagen production while reducing inflammation * Heat: with a temperature of up to 107 degrees Fahrenheit, heat helps relax the muscles and boost blood circulation * Sonic Vibrations: with over 8000 revolutions per minute, sonic vibrations massage the face and aid in product penetration