1. Solar energy: Efficient solar charging circuit. Protecting the environment and inexhaustible natural gas. 2. Monocrystalline silicon: Solar cells with epoxy resin surface 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 surface 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 Contents: 1 x Solar Panel 2 x carabiner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.