Features 1. Function: Smart posture corrector can monitor your posture in real time, scientifically and effectively help correct the wrong body posture of your back and shoulders, improve your hunchback, correct your body posture, protect your eyesight and reshape your curves. 2. Vibrating reminder: This is a new type of back posture corrector, you can adjust your posture and wear it, when the curve of your back exceeds 25 there will be an instant vibration alert, until you straighten your back the vibration will stop. 3. Smart count: The back brace contains an LCD display that counts 1 time when your hunchback is reminded by the vibration. 4. Comfortable to wear: this brace is made of silicone, soft and comfortable, smart and lightweight, no wearing feeling. 5. Applicable range: Suitable for work, study, walking, reading and other occasions, to help you solve posture problems from the root. Specification Material: ABS, Silicone Color: Red, Black Size: 7 x 3.7 x 1.4 cm Weight: 55 g Battery capacity: 200 mAH Package Include: 1x Posture Corrector 1x USB Charger 1x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.