חגורת תיקון תנוחת ישיבה לילדים

Charging interface: Mini-USB Android interface
Battery specifications: 400mA/3.7V
Charging time: about 1.5 hours
Material: ABS+PC+high strength elastic nylon belt
Charging current: 500mA
Function: Spine correction, anti-hunchback, correct sitting posture
Charging voltage: DC5V
Weight: 0.2KG