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 discomfort from sitting with rounded shoulders in front of the computer. - Smart posture corrector can help you to correct bad posture habits and relieve pain in your neck back and shoulder, you will be more confident with your head high. - The correction has the latest inductive design,it will let you actively adjust the correct posture through vibration reminder, instead of the restraint of the traditional correction strap. It is committed to bringing you and your family a healthier and scientific life. Specifications: Material: Nylon Battery capacity: 500mAh Package included: 1 x Smart Posture Corrector 1 x USB Cable Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.