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Dr. Pen Ultima M8 Professional Microneedling Dermapen, USB Rechargeable, 8x Cartridges Replacement Pack, 2pcs per 16pin, 24pin, 36pin, 42pin

SKU: DRPM801MS

A
Yes, no power cord is required. It's ready to use once fully charged. 
A
Their microneedling series comes with a one-year warranty, and customer service responds very quickly.