Feature:1. The is made of durable and Oxford cloth, and the fabric is surface‑polished and designed for outdoor use.2. It has the characteristics of abrasion resistance, water resistance, sun protection, and resistance.3. High‑conversion solar panels can convert up to 21.5% to 23.5% of solar energy. The smart circuit recognizes your device and maximizes its charging speed, while protecting your device from overcharging and overloading.4. Easy to carry, it is foldable and looks like a laptop bag after being folded, which is very lightweight.5. With intelligent recognition and wide compatibility, it can charge mobile phones, tablets, computers, digital cameras and other charging devices.How to Use:First turn on the solar panel of the product, facing the direction of sunlight, and then connect the device that needs to be charged to the output terminal of the product through the charging cable.How to charge a mobile phone/USB device:1. Unfold the charger and place the panel in direct sunlight.2. Use a USB cable to connect the device to the solar charger.3. Please keep the device cool when charging. Place it under the solar panel, in the pocket of the solar panel, or in the shade to avoid overheating.Spec