HighlightsUSB charging is recommended for daily use and Solar powered for emergency or outdoor activities.10000mah power bank detects your device automatically and charges 2 electronic devices simultaneouslyBuilt-in dual LED beads illuminate for you in the darknessFull 4 indicators represent full 100% electricity power.Convenient compass is a great tool for you to finding ways in forest or hills.Details*Features* - *Solar Powered & USB Charging* - Designed with a solar panel and micro USB input