Our 4 in 1 device combines Gua Sha, LED light, heat and vibration therapy to relax, re-energise and rejuvenate your skin. Gua Sha is a Traditional Chinese Medicine technique intended to address stagnant energy, called chi, that practitioners believe to be responsible for inflammation. The practice of Gua Sha helps to relieve facial and muscular tension, increase microcirculation, reduce inflammation, improve blood flow and lymphatic drainage to release toxins and promote healthy, glowing skin! Bian stone is a healing stone popular for use with Gua Sha technique. The main component of Bian stone is microcrystalline limestone, which contains more than 40 kinds of rare earth and trace elements that are beneficial to overall health, such as strontium, titanium, chromium, manganese and zinc. Bian stone is also understood to emit ultrasonic impulses with anti-aging effects. Heat and vibration increases microcirculation and LED wavelengths penetrate the skin to enhance cell metabolism and aid skincare product absorption. Recommended for use with Maysama serum, facial oil, sheet mask or similar skincare. Maysama’s Bian Stone Gua Sha is ergonomically designed to fit the contours of your face. Convex and concave side for jaw sculpture and massage of acupoints. Our innovative beauty tool helps to tighten skin, eliminates puffiness, dark eye circles and is anti-wrinkle. Stylish, lightweight and portable Maysama’s Bian Stone Gua Sha is the perfect beauty accessory and traveling companion! Wireless technology. Battery life exceeds 4 hours before recharge. This product is not recommended for people with dermatitis, skin damage, eczema, swelling, etc. individuals classified with darker skin tones as classified by Fitzpatrick phototype IV-VI on account of heating function, which could trigger melasma. Choose from 2 variations  Red + Near Infrared - skin rejuvenation Red + Blue LED - antibacterial Main Benefits Releive facial and muscular tension Even out fascia and release toxins Improve lymphatic drainage Reduce inflammation  Increase microcirculation Improve product absorption