Invisible Smart Posture Corrector USB Humidifier LED indicators of receivers and

LED indicators of receivers and transmitter alert those with impaired hearing or when the doorbell sound is(temporarily) not heard

Length of clothes: ordinary models (50cm＜length of clothes≤65cm)

six generation white

Input voltage: 12V/2

Material sponge composite cloth

Invisible Smart Posture Corrector USB Humidifier LED indicators of receivers andProduct Information Smart induction: S adjusts the angle of the back, vibrates when the back is bent 25 degrees to sound an alarm, and trains users to develop good posture habits instead of forcing users to straighten their backs. Material: high strength nylon belt, imported ABS Charging interface: USB universal interface Battery capacity: 500mAh Applicable people: children adults unisex Features: 1. Correct posture 2. Reshape the spine 3. Protect