"The innovative posture corrector can correct your bad posture, relieve pain in the neck, back and shoulders. When the back is bent more than 25 degrees, the corrector activates a vibration signal. It is recommended to wear the posture corrector for 2 hours a day. 21 days - the period of habit formation, posture will improve significantly. 90 days - the period of stable habit. The process of correcting bad posture is not easy, it requires persistence. The shoulder strap is made of elastic breathable material. The corrector is easily adjustable - suitable for people from 15 to 95 kg. The position of the switch on the back is convenient, you can turn it on yourself."