1. Product name:Smart Humpback Corrector
2. Material: ABS + elastic shoulder strap
3. Weight: 90g
4. Color: white
5. Size: 33*24cm
6. Charging output interface: standard V8 interface
7. Charging time: 2 hours (about 2 hours)
8. Built-in battery specification: 500mA/3.7V
9. Product features:
1) Automatic memory function, intelligent induction, vibration reminder, effectively improve hunchback, correct posture, and reshape posture
2) Figure 8 shape design, comfortable and shoulder-less
3) Japanese-style non-slip buckle, easy to adjust, stable and not loose
4) The center switch on the back, the position is reasonable, easy to open