Product name: Liquid crystal silicone invisible posture corrector (black)

Material: food grade silicone collar, imported ABS

Product size (cm): 18.5*14.5*2CM

Weight (kg): net weight: 90g, gross weight: 145g

Packaging size (cm): 18*14*3CM

Single box size / gross weight (kg): 55*41*32CM/60pcs/9.5KG

Rated input: 5V/1A,

Working time: The battery life is about 1 week (wearing 4 hours a day),

Rated power: 0.4W,

Battery capacity: 200mAh/3.7V

Product list:: posture corrector*1, manual*1, USB charging cable*1