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Intelligent Posture Corrector Portable Posture Correction Device Anti-Humpback Protect Eyesight for Adult and Children Office Home Walk USB Charging Features: 1. Made of food-grade silicone material, it is light, durable, soft and skin-friendly, not easy to deform, fitting the curve of human body and comfortable to use. 2. Record your posture accurately, monitor your posture in real time, intelligently perceive incorrect posture and vibrate to remind you, and help you correct unhealthy posture such as hunchback scientifically and effectively. 3. It helps to correct the wrong body posture of the back and shoulders, improve hunchback, develop correct body posture, protect eyesight and reshape beautiful curves. 4. Small size, light weight, easy to carry around, and help you correct unhealthy body posture anytime, anywhere. 5. Suitable for all kinds of ocns, such as work, study, walking, reading, etc., to fundamentally help you soe posture problems. 6. USB charging design, charging for two hours, battery life up to 10 days, so that you dont need to charge frequently. Specifications: Material: ABS+ nipple grade silicone Color: black Age: Children over 4 years old Charging voltage: 5V Rated power: 0.6W Operating current: 0.12A Net weight: 70g Product dimensions: 12.5*11.9*13.8cm Packing: 16.5*13*3.6cm Packing List: 1* Host 1* USB Charging Cable 1* English User Manual 1* Packing Box