MAXMADE&reg; 12000mAh Power Bank/Calculator Dual USB Output Backup Charger External Battery with LED Flashlight for Apple and Android Smartphones, Tablets, and Other USB-charged Devices (White) Easy to use and convenient for office use, combines a power bank and calculator together into one compact design. 12000mAh ultra high capacity power bank offers dual USB output(5V-2A and 5V-1A) charging for your smartphones, tablets and other USB-charged devices. Built-in multiple security protections for overcharge, overvoltage, overcurrent, and short-circuit. 4 LED indicators reveal the battery level and LED flashlight for your convenience in the dark. Package includes: MAXMADE 12000mAh Power Bank/Calculator, Micro USB Charging Cable, Instruction Manual. CE/FCC/ROHS approval.