Intelligent Posture Corrector MacBook Charger 0mm Fine Tuning Knob and

0mm Fine Tuning Knob and four attachment guide combs(3

Length Adjustable: 12-56cm

Size: 31*20cm

The working pressure is 90-120PSI

Intelligent Posture Corrector MacBook Charger 0mm Fine Tuning Knob andDescription: Function: Smart posture corrector can monitor your posture in real time, scientifically and effectively help correct the wrong body posture of your back and shoulders, improve your hunchback, correct your body posture, protect your eyesight and reshape your curves. Vibrating Reminder: This is a new type of back posture corrector, you can adjust your posture and wear it, when the curve of your back exceeds 25 there will be an instant