Note Please: 30000 mah is a theoretical capacity from the company.You can charge your phone 1-3 times(depending on your phones conversion rate). Please read carefully before placing order, thank you fou understanding. Features: 1) Built-in 5V/1A and 5V/2.1A USB Output allow you to charge two devices simultaneously, compatible with iPhone, Android. 2) Portable solar charger is equipped with a compass and two LED flashlights, It is an essential outdoor equipment 3) IP65 Splashproof, Dustproof, Shockproof. It can be used in humid environments or rainy days, but does not support FULL Immersion in water. .