Cuboid Mini, a scaled-down version of Cuboid which is much slimmer and cuter in appearance. It applies variable Temperature Control system, having Temp-SS316 and customized TCR available. Large 0.96 inch OLED screen, built-in battery and multiple choices of attractive colors all make it more practical and attractive catering to your preference. Upgradable firmware always enables it up-to-date. For anyone that has used a VTC Mini or Cuboid, you will be greeted by the same display that the two previous Joyetech mods used. Firmware upgrades from Joytech website.