1. This lightweight and elastic nylon corrector can be comfortably worn inside or outside clothes. 2. This smart posture trainer will automatically vibrate to remind users of incorrect postures through real - time monitoring. 3. It is equipped with a smart sensor that vibrates to give a warning when the tilt exceeds 25°. 4. It has an adjustable length and is suitable for men and women of all ages. 5. It can eliminate neck and back discomfort when sitting with rounded shoulders in front of a computer. ### Functions 1. This lightweight and highly elastic nylon corrector can be comfortably worn inside or outside clothes. 2. This smart posture trainer will automatically vibrate to remind users of incorrect postures through real - time monitoring. 3. It is equipped with a smart sensor that vibrates to give a warning when the tilt exceeds 25°. 4. It has an adjustable length and is suitable for men and women of all ages. 5. It can eliminate neck and back discomfort when sitting with rounded shoulders in front of a computer. ### Specifications - Product Name: Smart Inductive Sitting Posture Corrector - Product Accessories: Correction Belt - Product Material: ABS + PC + High - strength Elastic Nylon Belt - Battery Specification: 400 mAh/3.7V - Product Functions: Spinal correction, anti - hunchback, sitting posture correction - Product Highlights: Equipped with an automatic induction chip and vibrates to remind of incorrect postures - Suitable Users: Children/Adults. The belt is made of nylon webbing, which is more elastic and comfortable, suitable for people weighing from 15 kg to 95 kg. ### Package includes - 1 * Smart Back Posture Correction Belt - 1 * Instruction Manual It provides gentle back support.