Chargable High-elastic Posture Corrector Back Belt Support Correction Back Straight Shoulders Brace Strap for Adult Chil

Specification   1 Item Back Correction Belt  2 Model With or without LCD Display 3 Free size 25 kg 55 kg 4 Large size 56 kg 85kg 5 Battery capacity 500mAh 6 Weight 85g  Features    1 Correct posture2 Reshape spine3 Protect eyesight  Wearing method1 according to the shoulder width adjust the back to suit your own tightness2 then follow the direction to wearPrecautions   1 Do not bleach 2 Please wash by hand and dry in a cool place3 Do not use the dryer to dry4 When wearing do not pull too much to avoid damage to the product 5 Do not wear it to sleep6 Insist on the use gradually reduce the binding forceof the correction belt and directly get rid of the external force correction posture