Eleaf iStick Pico X with Melo 4 Kit has an ergonomic and compact design, it is very comfortable to hold and carry. With the rubber paint finish, the Pico X is soft and smooth to touch. Eleaf iStick Pico X is powered by a single 18650 battery and it can fire up to 75W maximum output. In addition, it adopts advanced intelligent wattage recommending system, which can adjust wattage automatically to fit your coil. It is equipped with 0.69″ OLED screen and supported three different interfaces. The melo 4 atomizer utilizes new EC Mesh coil to creates huge clouds and intense flavor. Featuring slide top filling system, it is easy to refill.