The Xoopar Hug lets you give a quick boost to your smaller electronic devices with 500mAh of backup power. It features a micro USB connector, flashing charging indicator lights and storage for the charging cable. You can charge your device while the power bank is charging. Includes a double micro USB cable to charge your phone, and a micro USB cable to charge the power bank. Output is rated at 2.1A. This product has undergone the most rigorous testing in the industry and is SGS USTC Certified, CEC/BC and FCC VOC Certified, MSDS, UN38.3, CA65Pb + CA65Cd and 7P compliant.