Joyetech eGo AIO Kit 10th Anniversary Edition, equivalent to eGo AIO 2 Kit, has more delicate design and better texture. In compact pen shape, eGo AIO 10th Anniversary Edition is powered by built-in 1500mAh battery for long-lasting use with 25W max output, and dual battery protections are added to guarantee your safety. It features simple one-button-control, changeable 7-color LED light and two e-liquid windows for checking e-juice. eGo AIO 10TH Anniversary is designed with child lock, thus you can press to unscrew the top cap to refill e-juice(2ml capacity), and remember don't overfill beyond the max line. The SS316 0.6ohm MTL. Coil is located on the vent pipe, and unscrewing the head to replace a new one is easy. Furthermore, there is a airflow ring for you to adjust airflow, and the spiral structure drip tip is improved for more secure and better inhale.