Smart correction belt

Name: Adjustable smart back posture corrector
Material: PC + PP + high-strength nylon elastic band
color: gray
Integrated battery: 400mAh, 3.7V
Power: 0.4W
Induction type: angle and tension induction
Reminder: Yes, when the curvature of the humpback exceeds 25° or there is an abnormal voltage, a vibration notification will be issued
Charging time: 1h
Working time: 15 days
Button control: press once to enter the angle detection mode, press twice the number of times the angle and tension detection mode, please press once to close.
Size: L (weight 45~90kg)
Application: children and adults