Mast Tattoo Tour AIR Coreless Motor Machine 2.3mm Stroke with 2pcs Mini Battery Permanent Makeup Cartridge Wireless Ink Set. Motor: Coreless Motor Stroke:2.3mm Size:15mm100mm Weight:45g Speed: 12V/10000RPM Connect Cord: RCA Working Voltage:5V-9V. Material:Aluminium Output voltage:5-12v Input voltage:DC5V/1A Charge mode:type-c quick charge Connection:RCA cord Battery capacity:1100mAh. We are professional mamanufacturer and we also have trade company to do hair extensions business. We will quote you a best price.Professional & efficient customer service team are ready to help you. We will try our best to solve the problem for you. If we cannot help you through emails, we will give you return instructions.