Features:- 30000mAh High Capacity and LED Super Bright: Built-in 30000mAh battery, it can charge your devices by USB for multiple times under stable power supply. It can work perfectly in the darkness for its LED high brightness.- 2 in 1 Function: This portable solar power bank can be used as a power bank and compass. No worry about no electricity in your devices or being lost when traveling.- Waterproof and Durable: Made of PVC material, waterproof and durable, the solar power bank can be used anytime and anywhere even on rainy days.- Long Service Life: With high-quality material, you can charge or discharge the power bank more than 1000 times. This power bank will be automatically dormant when it is off work to prevent power consumption.- Non-slip and.