On The underside of the unit There exists the Usb-C charging socket, a few vent holes for that built-in battery, the logo as well as reference on the output spot. Employing this Together with the 1.4ohm coil in an MTL create this is quite close in flavour and functionality as https://apollobookmarks.com/story18918462/lost-vape-ub-lite-for-dummies