Intelligent Hunchback Correction Strap,Back Corrector,rectifier Features: Look Confident, Feel Confident & Be Healthier - The Intelligent can help you correct bad posture habits and relieve pain in your neck, back, and shoulders. You will be more confident with your head high. Pain-free Life - It properly aligns your posture and takes the pressure off critical areas, thus providing relief to back, neck, shoulder, and clavicle pain. The straps have been designed to ensure minimal restriction & provide superior comfort to wear. Smart Reminder The intelligent vibration feature alerts you to keep your back straight whenever it tilts more than 25-degrees. Helps You Maintain Correct Posture - Our does not 'force' you into position. It gently pulls on your shoulders, constantly reminding you to keep your shoulders back and hold the position yourself. Excellent Battery Life - The back corrector uses a 500 mAh polymer lithium battery, and you can use it for about 15 days 1 hour of charging. It is easy to charge by connecting the USB cable. The has an indicator light. A constant red light means regular charging; constant blue light means fully charged. Product Description: Specifications: Size: One Size Fits All Package Includes: 1x Hunchback correction strap