Isurevape R-stick Kit is a sleek and portable pen style pod system device with a single button firing mechanism. Powered by a built-in 550mAh battery, it implements three-level variable voltage output, which can meet your different vaping needs easily. As for the refillable pod, it can hold up to 1.8ml of your favorite e-liquid. The coil included in the pod has a resistance of 1.1ohm, very suitable for e-juices with high nicotine component or Nic Salts. Plus multiple protections such as short-circuit resistance and temperature control, the R-stick is no doubt a perfect choice for MTL lovers. 4 colors to choose from.