The Mini CE3 Clearomizer Oil Vape Pen Stylus Kit is a convenient little kit This easy to use kit includes a 280mAh button-free battery with an indicator light that glows while you hit it and a CE3 clearomizer, designed for oils. Light as a feather, perfect to carry with you in your pocket or purse. Features:1.0ml tank, Button-free battery, CE3 is easy to fill, Battery capacity: 280mAh, Resistance: 1.8-2.5 ohm, Automatic power off function when not in use, 510 threading, Can be used as a stylus for phone/tablet, Material: Silicone, Metal, and Plastic.