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