Posture Corrector provides sturdy and delicate backing, holding you up from slouching. Strengthen Muscles and Improves Balance. to strengthen your muscles, improves balance and flexibility, and prevent further damage. Built-in rechargeable 500mAh battery can be directly powered by USB charging for continuous enjoyment, while the indicator light can clearly show the working and charging status to make you fully prepared for the next use. High elastic straps with adjustable buckle fasteners allow for quick release and custom fit with wearing convenience, widely suitable for both children and adults users, practical and useful. Non restricting uni-sex design in delicate stitching work supports to be worn nicely by men and women, ideal gift to show your care for your family or friends. Compact size and lightweight design, you can easily fold it to save storage space for carrying convenience, ideal to use it at home, in the office, or during your travel. Specifications Material: High Strength Elastic Nylon Straps, ABS Color: Black(As Picture Shown) Size: One Size, Adjustable Fit Charging Interface: Mini USB Android Port Input: DC 5V 0.3A Battery Type: Built-in Rechargeable 500mAh Battery Power Supply: USB Charging Size: 19 11 2cm Package Included: 1 Intelligent Induction Posture Corrector 1 USB Cable 1 User ManualIntelligent induction and reminder function(with power on), one key to start and it will automatically deliver voice prompt and vibration alarm when sensing your incorrect posture, so as to instantly enhance the correction effect with less efforts. Provides long lasting back support to correct incorrect posture, prevent the progressive spinal curvature and change the bad habits of kyphosis, also relieve back pain and lumbar pain. High strength nylon straps and sturdy ABS controller unit on the crossing center can effectively distribute the pressure and offer even support to help you relax and relieve your muscle ache and body fatigue. Improve Posture - Shoulder posture brace or clavicle brace will hemp you to have a straight back and healthy look again! Back brace posture corrector will let you look confident!. Large digital display can instantly record and show the result of how many times you have postured incorrectly, allowing you to monitor the whole process directly with clear indication.