1. Made of high-quality materials, environmentally friendly, , and delicate. It has a high conversion rate. 2. A dual output solar panel with USB interface can meet any of your requirements. 3. Environmentally friendly and pollution-free, achieving the conversion of solar energy to electrical energy 4. You can place the panel in sunlight and use it to directly charge the device. Used to charge phones, MP3 players, tablets, or other USB charging devices. Very suitable for outdoor cycling, mountaineering, hiking, camping, travel, and more. 5. Solar panels are devices that directly or indirectly convert solar radiation into electrical energy by absorbing sunlight. Compared to ordinary batteries and rechargeable batteries, solar panels are more energy-efficient and environmentally friendly. Colour:Black Material:Monocrystalline silicon Package Contents: 1 * Solar panel 1 * Car charger cable 1 * clip 2 * Buckle(Colors and styles are random, no specifications are accepted) 4 * Suction cups 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.