Geekvape Sonder U Pod System Kit features a 1000mAh integrated battery, 2ml vape juice capacity, and 0.7ohm coil resistance for MTL vaping. Starting off with this lightweight and pocketable kit, there has no button & is draw-activated! PLUS the Sonder U can last you all day long due to its large battery capacity. Compatible with a 0.7ohm GeekVape U pod cartridge, it has a clear-view e-liquid window to check the e-juice level. It supports the Sonder U 2mL replacement pods and has a 20W max output, fitting for nic salt e-juice, it is best for beginners.