Feature:1. 1. Improve posture: Real-time monitoring of bad postures such as hunchback, high and low shoulders through smart sensors.2. 2. Intelligent vibration reminder: High-precision sensor, accurately locate the monitoring area and vibrate reminder when the back is humped, and straighten the back automatically.3. 3. Support back: Provide long-lasting back support, correct incorrect posture, prevent progressive curvature of the spine, change the bad habits of kyphosis, and relieve low back suffering at the same time.4. 4. General for adults and children: Improper sitting posture not only affects children's vision and causes hunchback, but also causes severe spinal injuries and affects height development. Let smart posture correctors replace parents to remind and guide.5. 5. Material: Food contact grade silicone is safe, comfortable and resistant to stretching.Specification:Material: SiliconeColor: black, redApplicable people: adults/childrenProduct size: about 17.5*13cmProduct weight: about 65gColor box size: about 21*17.5*4.5cmPackage List:1* Smart Back Corrector1* Type-c USB Cable1* Chinese and English ManualNote:Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.