Adjustable Spine Back Support Posture Sensor Belt chargeable

Features: – Align your shoulders, spine and upper back. – The position of the switch on the back is convenient and can be opened by yourself. – Wear all day to retrain your posture, it’s nearly invisible when wear under a shirt. – When the user’s back is bent more than 25 degrees, the back reminder will automatically sense and immediately activate the vibration alarm. – Lightweight high elasticity nylon corrector can be worn comfortably under or over clothing. – Eliminates neck and back discomfo