ESPION Silk, with the application of hypoallergic properties is smooth to touch and comfortable even for people with sensitive skin. It is light weighted and fits your hand comfortably. Having a 2800mAh built-in battery, the ESPION Silk can be powered up to 80W coupled with multi mode options. With a 0.69-inch OLED screen and intuitive system, you can easily manage it. Our vision has always been to create an atomizer with high quality, convenience but inexpensive. And that's the NotchCore. It's easy to install and change the NotchCoilTMatomizer head in an economic way. ESPION Silk, combined with the Joyetech NotchCore tank, you're supposed to enjoy delicate and smooth flavor.