The UL Listed Jive 1,900 mAh Power Bank will help keep your smartphone charged for when you need it most. With a 5V/1000 mA output you can charge your smartphone at the same rate as most wall outlets. The integrated key ring is a great addition for carrying the power bank. It includes a USB to Micro USB connecting cable which can recharge the battery backup or be used to charge up devices with a Micro USB input like Android Smartphones from Samsung®, Motorola®, HTC®, Nokia®, and others. This product has passed UL standard.