1---[Better Bone Health] Posture corrector for women help you open your shoulders. By pulling on your shoulders, your bones will return to the correct position, making your bones healthier, circulatory system better, breathing more smoothly, and helping you develop good habits of sitting, standing and walking. Stick to it for 21 days and wear it for 1-2 hours every day, and you will have a healthy posture. When the back bends more than 25, the posture corrector vibrates to alert you. 2---[Be more aggressive and confident] While opening your shoulders, your posture will be more upright, and the chest brace can also effectively support your chest, making your body curve more obvious, more beautiful, and more confident in the workplace. 3---[Comfortable, adjustable, easy to wear] Soft, breathable, comfortable, ultra-light and ultra-thin elastic fabrics follow the scientific concepts of ergonomics and mechanics, forming a multi-structure exquisite tailored streamline design. shoulder-wrap design on the shoulders makes you wear more comfortable, breathable features suitable for summer wear, high-quality fabrics make people wear products without any sense of discord. 4---[Pain relief] Posture corrector for men and women designed to relieve chest hunchback, neck and back pain caused by long-term work and looking down at mobile phone and computer. This back brace is especially suitable for people with slight hunchback, people with bowed heads, long-term desk workers and office workers. It provides best back support for you. 5---[Neck Massager]: Ultrasonic is believed to boost our Lymphatic system and how effective our Lymphatic drainage can be. It can assist in the detoxification process of our bodies by allowing the lymphatic system to drain fluids much faster and easier that may be carrying cellular by-products and other wastes. 6---[Stay fit at all times]: Continuous all-weather sonic impact that promotes fat reduction during sleep.Uses low-frequency sound waves at a frequency of 3 to 60 Hz to operate while totally protecting blood vessels, neurons, lymphatic vessels, fibrous tissue, etc. Features: LCD display: 25 days standby time Size: adjustable size, suitable for 15kg to 110kg Colour: pink, blue, grey Weight: 160g(1pcs)