Led Nano Microcrystalline Electric Microneedle Instrument

Product information:

Whether adjustable: yes
Adjustable speed section: five sections
Needle depth: 0 2.0 (mm)
Is it equipped with a power supply: Yes
Adapter: 4.2V, 500mA

Size Information:

Body size: 170*21(mm)

Packing list:
White gift box + electric pen + English manual + plug