Feature:Reduces stress and anxiety;Reduces swellingPromotes a healthy moodIt Can Monitor Your Body Condition By Changing Its Color:Blue: It means that your body is in a normal conditionGreen: It means that your body is cold (which sends signals to the body)Purple: Your body is in a warm healthy condition. It also means that your fats are starting to burn or your body is on det_oxification.Specification:Size: AdjustableColor: Black, Blue, Brown, Pink, ColorfulPackage includes:1/2 pcs Body Slimming Vital Detect Thermochromic BraceletTips:1.Due to the display and light, please focus on the actual product received.2.Due to manual measurement, please allow an error of 1-2cm.