SMOK X Cube ULTRA 220W Mod is an exciting addition to the X Cube series. Fully upgraded in every way its durable zinc alloy and stainless steel housing is jam packed full of the latest technology in vaping. The SMOK X Cube ULTRA also has a customizable LED that illuminates in up to 16 million colors, large easy to read OLED screen that display resistance, battery life, output setting and voltage and more.