Now with fast charging technology you can charge your mobile phone in less than 30 minutes. PB-210 with lithium polymer battery supplies 20,000mAh of power to your mobile or tablet devices. This Special sheet cover is used to avoid scratches & damages; this powerbank carries enough capacity to charge up to 8 smartphones. It can charge three devices at once, two from micro USB cable as it is featured with two USB port that allows you to Quick charge your phones, as well as an attahced android cable. It is compatible with all modern smartphones like Mi, Apple, Samsung, HTC, Google and black berry as well as variety of digital cameras and handheld gaming devices. Simple design buttons indicator lights and connection ports are located on one hand of the power bank.