What Makes The FITPROS Ultrasonic Weightloss Smart Wristband SPECIAL? Appetite Reduction - suppress appetite and promote weight loss Better Blood Circulation - high precision UltraSonic through your hand to stimulate the muscles for improved blood circulation eliminating the swelling. Overall Health Benefit - Improves metabolism to help in weight loss, stimulates sweat secretion, reduces fatigue, aids sleep, and improving posture. Boosts Lymphatic Detoxification - Combats the build-up of obstructions in your lymphatic system Reduce 80% of excess Lymph Fluid Within 3 Months Burns Away Fat and Sheds Excess Weight - It has fat burning effect to reduce fat which in turn reduces the appearance of excess weight for softer, smoother, and firmer skin. Suitable for Both Men and Women Temperature Sensitive - Check body temperature at every moment Specification Soundwaves Frequency: 3~60Hz Rated Power: USB Charging Charging time: about 30mins Fully charged for use: a week Package Included 1 x FITPROS Ultrasonic Weightloss Smart Watch (include cable)