GREENEARTH Elegant Small Power Bank 6000mAh USB External Mobile Backup Battery Apply to Most Smartphone Universal Charger 100% Brand new and high quality wide compatible Bulit-in high-capacity lithium battery Environmental friendliness& Economic Efficiency Built with IC chip to protect your devices from short circuit,overcharge Portable and convenient,built in LED light charging indicator Input: 5V-1A, Output Double USB output: 5V-1A