Smart Posture Corrector Smart sensor vibrates when your back bends beyond 25 degrees to provide a gentle reminder to straighten. Lightweight and discreet, it encourages better posture during daily activities. Key benefits Promotes more upright standing and sitting by providing a vibration reminder when posture tilts beyond 25 degrees. Lightweight elasticity nylon construction fits comfortably under or over clothing for all day wear. Adjustable length for a fit, suitable for male and female users across a wide range of sizes. Simple automatic vibration feedback lets you focus on tasks while receiving subtle posture cues. Features Smart sensor detection: triggers vibration once the back bends past 25 degrees. Automatic vibration alert: no manual reminders required, the device responds to posture changes. Comfortable material: elasticity nylon is breathable and flexible for extended wear. Discreet design: can be worn under shirts or over outerwear without bulk. Easy adjustment: straps allow quick fitting for different body types and ages. Specifications Trigger angle: 25 degrees Material: elasticity nylon Fit: adjustable length, unisex Typical use scenarios Office work: wear while working at a computer to receive gentle reminders to sit up straight during long sessions. Study and reading: use during study periods to reduce slouching and maintain a more attentive posture. Commuting and travel: wear on buses or trains to help reduce forwardleaning posture while seated. Packing list 1 Unisex Back Trainer Important notices Slight color differences may occur due to monitor settings and photography; the product style matches the images. Size is measured manually; a 2 to 5 cm variance may occur and will not affect product use. Only the main product is included. Other accessories shown in photos are not included unless specified. After receiving the package, please inspect the product and packaging carefully. If the item is defective or has any issues, contact the seller through your channel to resolve the problem. The seller will respond as soon as possible.