This USB Charger Connector is used for E-Cigarette Elpis. It has the the Mini USB 5 pin plug at one end and the standard 3.5*1.35mm plug at the another end.
Just connect your USB Charger Connector with your E-Cigarette Elpis, you can charge your E-Cigarette Elips. The normal working voltage is 4.7-5.0 volts.