What new in iStick TC40W?

iStick TC40W has a small and lightweight body. There is an additional menu button, which allows you to switch modes between variable wattage control mode and temperature control mode. And compare to the original iStick products, the cover is also redesigned so that the 23mm atomizers will not overhang. Eleaf iStick also add a place to attach a lanyard, which is really a compact design.