Product Details：
Input : DC 5V 1A
Output: 3V-4.2V
Power: 5W
Battery: 14500lithium battery 600MAh 3.7v
Motor model: PTF-280GV
Rotation speed: 2200 RPM
Natural quartz dermabrasion roller
Charging time: 2 hours
Discharge time: 1 hour
Body material and technology: ABS+UV
Product size: 18X3.3X3.3 CM
Accessories: one grinding head, USB charging cable
