Airistech Airis VV 2.0 Vape Kit 0.5 ML The Airistech Airis Vertex VV 2.0 Vape Pen Battery Mod is a compact little pen mod. Whilst small, this unit does not compromise on performance and battery life. The battery is 350mAh and has a 510 atomizer thread. This mod has variable voltage and you can change the voltage output by clicking the fire button 3 times and the light indicates the voltage level. The green light is 3.4V, blue is 3.7V and red is 4.2V. Charging is easy with the included micro USB cable. This mod is paired with a Airistech VE9 0.5ml Bottom Air Flow 510 Thread Quartz Cartridge.Features & Specs350mAHPreheat modeFor use with concentrate cartridges/atomizersMicro USB chargingIncludes:1 x Airis VV Slim Kit (0.5ml version)