DescriptionEffectively correct the problem of incorrect posture of the adults' back, and help them to develop better skeletal development. Effective correction for adult's walking position, due to long-term sitting posture is not correct.Features- Color: Green - Material: ABS, nylon belt - Size: About 15.00X15.00X1.50cm/5.89X5.89X0.59in - Charging Output Interface: Standard V8 interface. - Operating Voltage: 5V - Rated Power: 0.4W. - Charging Time: About 1.5 hours. - Charging Voltage: 5V. - Made from premiere material, durable to use. - When the bending curve exceeds 15, the vibration is automatically activated to remind. - Suitable for women, students, adults to use etc. - It prevents chest sagging and humpback, you will have the nice-looking figure. - Wearing for a long time can improve bad posture on the back and improve self-confidence.
