The Kanger K-Pin Starter Kit features a portable yet powerful setup that is sure to satisfy both beginners and veterans alike. The K-Pin features a built-in 2000mAh battery that utilizes a simple and convenient one button design. The K-Pin features a 4.0ml e-Liquid capacity that features a leak resistant cup design with a convenient top fill option. The K-Pin features a unique telescopic mouthpiece that allows you to hide your mouthpiece when not in use with a simple twist and turn of the top. The Kanger K-Pin utilizes the popular SSOCC atomizer heads which are used in a wide variety of Kanger products. The brand new low resistance SSOCC Stainless Steel 0.2ohm atomizer heads provides an incredible sub-ohm experience with plenty of vapor and flavor.