About this item Ultra Thin : Only 0.6in, Light Weight, Space-Saving, Easy to Carry ,Charger Anywhere Anytime, Convenient to Use. Micro-USB Input : Multiple Charging Option, the Ability to Charge With a USB Wall Charger, Car Charger, Portable Power Source, or External Battery .Gives you More Options Than a Standard Battery Charger. The Newest Generation of CPU Control, IC Chip, Double PCB Panel, Built With Multiple Circuit Protection ( Over-Charging,Over Current, Over Voltage, Short-Circuit, High-Temperature, ). Fast and Safe Micro Input: DC 5V+/-5%,Output: DC 4.2V/8.4V +/-0.05v, 600mAh (MAX). Package Include: 1 x USB Battery Charger; 1 x USB Cable; 12-Month Manufacturer Warranty and Easy-to-Get Customer Service. Any Questions Please Feel Free to Contact us, We Focus on Providing Quality Power › See more product details