This biomaser permanent eyebrow makeup pen is equipped with 2 rechargeable lithium batteries, which can last 8-12 hours when fully charged and can be quickly recharged in about two hours. Permanent Eyeliner Makeup Tool for Eyebrows, Eyeliner, Lips and Hairline Microblading Hair Line MTS Made of aluminium alloy, stable with less vibration and not easy to leave fingerprints or sweat stains, easier to grip. The wireless design allows easy maneuverability and freedom of movement when applying permanent makeup and body art ROTARY PEN: Features a lightweight handpiece with a rotary knob that supports needle depth. In this way, technicians can choose a suitable depth for working on the skin to avoid trauma after the procedure VERSATILE KIT This wireless machine set includes a S20 wireless pen machine (with 2 connecting heads), 10 cartridge needles, a dyed mapping string, a practice skin, a ring ink cap and a disposable eyebrow ruler. Improve your skills with the Biomaser permanent make-up machine set. Enjoy creating beauty with your set, perfect for beginners with a little permanent make-up With its innovative design, superior performance and focus on quality, this machine stands out as an essential tool for all beginners. If you have any problems with this Semi Permanent Makeup Machine, please contact us via Amazon, we will do our best to solve all your problems!