Intelligent Anti-hunchback Posture Corrector Induction Vibration Reminder Color:Charming powder A8 ordinary there are three kinds of

there are three kinds of brightness free touch selection

Specifications 45cm*30cm

With 2 USB ports

Rated Voltage(s): 250VAC/50Hz

in this mode

Intelligent Anti-hunchback Posture Corrector Induction Vibration Reminder Color:Charming powder A8 ordinary there are three kinds ofProduct information: Color: dark night black A8 ordinary, fresh blue A8 ordinary, charming powder A8 ordinary Product Name: Smart Correction Wizard Product model: MS A8 ordinary model MS A9 LCD counting model Rated input: 5V 1A Working time: about 1 week of battery life (wearing 4 hours a day) Product net weight: about 90 grams (including battery and collar) Function: chiropractic correction, stretch chest, improve hunchback, protect eyesight