Hunchback Correction Posture Elf Children Adult Sitting Posture Correction

Specifications:
Item Type: Smart Back Posture Corrector
Material: Food grade silicone + ABS
Color: Red, blue
Size: 18.5*14.5*2CM
Net Weight: Approx. 70g
Rated input: 5V/1A
Rated power: 0.4W
Power Supply: USB charging(rechargeable)
Battery capacity: 200mAh/3.7V
Functions: Vibration reminder, LCD counting model
Unisex: Men, women, children(kids)

Packing List: packed by safety bubble bag
1* Posture Corrector
1* USB Charging Cable
1* English User Manual