Capacity: 8,000mAh / 29.6Wh Micro USB Input: DC 5V == 2.0A Output: Dual general USB port Wireless output: 5W Plug the cable into the USB port on the power bank,the other end goes into your device. The product will turn on automatically and charge. The product will turn off automatically when without charging device after 30 seconds or double click the power button continuously to turn off the product.