Lenoge 2600mAh Lipstick portable universal Power Bank External Battery Charger for smart phones and digital devices- Golden Capacity:3.7V/2600mAh;Fit for your iPhone 4S / 4G / 3GSSamsung Galaxy S4 / S3, Nokia and other smart phones Compact, portable, Sleek, stylish and compact design Easily fits into your bag to provide instant power; Perfect for trainroad trips, or whenever you need to charge your mobile devices wherever you are High quality battery ensures reliability Input: DC 5V 800mAh, Output: DC 5V 800mAh; Charge the power bank via standard USB or AC adapter (not included)