Keep your spine comfortable with the Smart-Sensor Vibration Alert Posture Corrector Provides an automatic electronic vibration to alert you if you start slouching With a counting function to record the number of times you hunch over in a day Helps to change your bad posture habits by alerting you every time you slouch Quick and easy to put on and set up under or over clothes A must-have for encouraging better posture while you sit  Just wear it while you work at your desk, do homework and more Choose from 2 colours: black or grey Please see Full Details for product specifications Save 67% on the Smart-Sensor Vibration Alert Posture Corrector - now 9.99 pounds