Where you can buy official authorized Eleaf iStick TC100W firmware upgradable Box Mod?

If you are a fan of Eleaf iStick series battery, there is a really good news for you: the newly released iStick TC100W is coming! A big highlight of this new stuff is the added temperature control feature. In TC mode, it can not only support the Ti and Ni coils, also the new TC-SS/TCR mode. Moreover, the traditional VW mode is still retained and the Bypass mode is extraly added. So different from iStick 100W, this new one holds a hidden fire button  and two replaceable cells on the sides of the battery. Worthy mentioning, it is firmware upgradable and thst means it can be upgraded by connecting the device with a computer through the USB port viaa a micro USB cable. Suggest getting a premium one on official authorized website for reliable quality guarantee!