The GeekVape Sonder U Pod Kit is powered by a built-in 1000mAh battery with a maximum power output of 20W and Type-C charging. It has a 2ml e-juice capacity and a 0.7ohm coil resistance for MTL vaping. The GeekVape Sonder U pod kit is a simple and easy refillable pod vape kit. It features an e-liquid window with a clear view so you can check the e-juice level. It is available in a variety of colors, including Black, Wine Red, Light Green, Pink, and many others.