• Ergonomic Design: The Solong tattoo machine features an ergonomic grip for precise line and shading work, ideal for prolonged tattoo sessions. • Wireless Technology: Equipped with a powerful 1500mAh lithium-ion battery, this wireless tattoo machine offers maximum freedom of movement. • Precise Control: With adjustable voltage from 5-11V and a fine needle stroke depth of 0-4mm, our tattoo pen offers maximum precision for detailed tattoo art. • Durable Quality: Made with robust materials, the Solong tattoo machine ensures reliable performance for professional requirements in the tattoo studio. • Customer Service and Support: At Solong Tattoo, we are committed to quality and customer satisfaction; our support is always ready to answer your questions and provide assistance.