The tattoo pen's one-of-a-kind concave convex grip design offers ergonomic comfort. You can use it for extended periods without fatigue. Our upgraded battery offers powerful supply, with a capacity of 1600 mAH. At full charge, it can run between 5 to 12 volts, and the lithium battery can last for 3-5 hours depending on your chosen voltage and motor. Indulge in the ultimate luxury with the Wireless Tattoo Pen Machine Kit By Solong. This premier kit includes 40pcs NEW EN01S tattoo needle cartridges, a combination of 20pcs 1003RL for liner and 20pcs 1015RM for shader, perfect for novice tattoo artists. In addition, you'll receive 120ML of black tattoo ink, providing you with a generous amount of the commonly used color. With the saved funds, you can splurge on other desired items. The exquisitely crafted Solong tattoo gun kit - a sophisticated and exclusive present for your husband, boyfriend, father, brother, son, grandfather, or esteemed colleagues. Ideal for special occasions such as Father's Day, Valentine's Day, Christmas, and more. Kit Includes: 1pc Tattoo Pen 1pc Wireless Battery 40pcs Needle Cartridges 2pcs Practice Skin 2pcs Transfer Paper 1pc Grip Bandage Tattoo Inks Disposable Gloves Manual Package Dimensions: 8.5 x 6.2 x 5.5 inches