The Stealth by Kado is a sleek on-draw activated mouth to lung device, so no buttons, just inhale. This pocket-sized pod system features a 2ml refillable pod with 450mAh battery for all day performance. With a refillable pod you can pick your favorite flavor to pair with this little beast of a unit. Best for use with salt nicotine e-liquids ranging from 20-60mg. The Stealth is fast charging with a micro USB power source and a tiny power light indicator. The name says it all when you want to be "Stealthy".