Features: 1. Primary waterproof rating 2. Super dustproof and anti-drop function 3. 3000mAh polymer battery can be placed inside 4. External 1.2W high power monocrystalline silicon solar panels super absorption rate 5. Environmentally friendly silicone casing ABS+PC+ fireproof material plastic casing 6. Using super bright LED lights and SOS emergency signal light 7. Built-in dual USB interface 8. Configure the host + data cable + box carabiner can be hung on the backpack 9. Suitable for smartphones tablets GPS cameras etc. Precautions: 1. Pay attention to the solar charging before charging. If you use solar charging the power of the mobile power can not exceed 3 grids. After more than 4 LED lights please use solar energy to protect the internal cells from damage at high temperatures. 2. When charging with the charger be careful to charge the product with a qualified charger with a current of at least 1A. 3. This product can protect against rain and does not support soaking and diving. Specification: Output voltage: 5.5 (V) Output current: 1500 (mA) Color: Random includes: 1 x charger "