1. Solar energy: Efficient solar charging circuit. Protecting the environment and inexhaustible natural gas. 2. Monocrystalline silicon: Solar cells with epoxy resin sealing. 3. Ultra thin: design with a thickness of only 5mm. 4. Portable: Frame design, suitable for indoor and outdoor use. 5. Standard USB output: compatible with mobile phones and other portable digital devices. explain: 1. This product must not come into contact with highly materials. 2. Prevent hard objects from scratching the during operation. 3. The product cannot withstand bending forces during transportation and assembly. Power: 6W Working current: 0-1000MA Working voltage: 5V Output port: USB Technology: 2nd generation frosted board (note: frosting process can prevent scratches and dust) Tips: The product may be updated constantly, Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Material: Monocrystalline silicon colour: As Shown Package