Utopian Eco PMU machine is ergonomically designed. the PMU Pen made of aviation aluminum body, anti slip design follows aesthetic and comfort, make the artist more comfortable to hold the pen. It is easy to use for a long time and brings you double-layer permanent makeup charm. This PMU Pen machine include 2* 900mAh Rechargeable batteries and totally runs for 4-8hours. More importantly, the battery can be replaced by RCA portable included in the packing. Wireless or Wire depends on you. The permanent machine pen has visible OLED screen shows operating voltage, working time and current, 0.2v voltage adjustments, 4V-12V adjustable voltage, can support long-term permanent makeup work, output stable, Suitable for Professional and Beginner PMU Artists. Package included : 1*rotary PMU machine pen, 1*batteries, 1*USB-C cable, 1*Box.