Features: Simple Eco-friendly: it converts solar radiation into electric energy by absorbing sunlight, then you can charging your personal electronic equipment when you are hiking, climbing, camping, picnic, etc. A Solar panel is a device that converts Solar radiation into electric energy directly or indirectly by means of photoelectric effect or photochemical effect by absorbing sunlight. Foldable Portable: with 4pcs large inbuilt solar board, the charging device can be folded into as small as a tablet, designed with hanging hole for conveniently hang it on the backpack with the provided climbing clip. Reliable Quality: using the monocrystalline solar panel with frosted PET film, the solar has smooth surface, and is wear resistant, anti-fingerprint. Its waterproof quality allows you to using it at any weather conditions, whether it is rainy or snowy. 3-in-1 USB Charge Cord: with iOS Phone/Type C/Micro USB for charging mobile phones, tablet, laptop, camera, and the cable are braided cord that are not easy to wear out. Other Accessories: package also includes 8pcs adapters, 2pcs climbing clips, a 3-meter DC extension cable, a 1.5-meter DC male to male cable, a 3-in-1 USB charging cable.