Posture Corrector Smart Sensing Vibration Alert Rechargeable Ergonomic Comfortab

Feature: \n 1. VIBRATION ALERT: Back straightener uses vibration reminders, scientific correction, automatic memory function, intelligent induction of incorrect body posture. 2 hours a day, 3 weeks to change bad habits.\n2. ANGLE SENSING: Posture corrector corrects bad posture, induction vibration reminder angle induction hunchback bending more than 25 degrees corrector immediately vibrate to remind. Universal adult children.\n3. BUILT IN SMART CHIP: Adjustable back straightener built in intelligent chip and angle monitoring sensor, real time monitoring of the user, analysis, so as to correct the posture in a timely manner.\n4. ERGONOMIC DESIGN: Back straightener support is designed with a figure of 8 shape, ergonomically fit the body curve when wearing. Rubber material stretchy enough comfortable not to strangle the shoulder.\n5. EASY TO USE: Back brace can be used for 15 days after one hour of charging, 200mA high capacity battery storage power lasting. Back center switch switch po: