The IJOY MAXO is the first quad 18650 BOX MOD, utilizing all (4) 18650 batteries or (2) 18650 batteries, providing long battery life between charges. The appearance can be customized by leather stickers, and come in a variety of colors. With an ergonomic design, this device feels good in the hand, and is also simple and practical. An easy to use menu makes this devices everyday use more efficient and effective than ever before.