The UL Listed Vivid Dome Power Bank allows your logo to shine. This battery backup packs a 4,400 mAh 5V/1A Li-ion battery which will allow your smartphone to charge at the same rate as a wall charger. The light up function behind the dome will illuminate any logo. Includes a USB to Micro USB connecting cable which can charge the battery backup or be used to charge devices with a Micro USB input like Android smartphones from Samsung®, Motorola®, HTC®, Nokia®, and others. This product has passed UL 2056 testing.