Feature: 1.Promotes a healthy mood 2.Reduces stress and anxiety and weight loss 3.Effectively improves blood circulation 4.Can monitor your vital signs 5.Can manage to detect your body condition Specifications: Material: Stainless steel Glass Product size: Chain Length 42 7cm Product weight: 6g Package Included: 1 2 x Genix Lymphothermotherapy Neckchain Tips: Due to the display and light, please focus on the actual product received. Due to manual measurement, please allow an error of 1-2cm.?Gift?are an ideal gift for your girlfriend, wife, mother and female friends on birthday, anniversary, holidays, graduation, Christmas, Valentine's Day, Mother's Day and so on. ?Stylish Design?Necklace designed to look great on both men and women, no one would even suspect Neckchain is therapeutic! It can better show your personality and style. ?Lymphatic Drainage Necklace?Negative ions increase the permeability of the cell membrane which facilitates the absorption of tissue fluid into lymph vessels. Therefore prevent the blockage of the lymphatic system. ?Wearing Performance?wearing it can not only help reduce weight, but also speed up the basal metabolic rate, increase energy levels, effectively promote better sleep, reduce stress, improve blood circulation. ?Color Changing Mood Necklaces?Thermochromic Stones are calibrated to have a pleg blue or green color at the average person's normal resting peripheral temperature. Different colors represent different states, so the color of the Neckchain can reflect your body condition at the moment.