Enjoy High Tech Charging (1)Deliver the fastest charge It can automatically adjust the current and voltage to achieve maximum power, delivering its fastest possible juice. (2) Smart IC CHIP technology and safety feature Built with voltage stabilization and an innovative chip that detects the best or maximum charging requirement of your device so your devices can be charged safely and fast. (3) Best design Compact size design for portability, with the free hook, you may just hang it on your bagpack when outdoors.With its IPX4 waterproof technology, robust canvas surface and stitching it can withstand different weather conditions. Wide Compatibility It can simultaneously charge 2USB devices. And it is compatible with majority of mobile phones- iPhone series/iPad/Kindle Fire/Galaxy tablets/Galaxy S, GPS, Camera, tablets and other USB devices(USB-A to Lightning Cable is NOT included) Attention 1. please check the model, size, voltage and power of your original adapter to ensure compatibility before using. Please close the laptop firstly before charging, solar panel is only design for emergency, not a primary source of charging for laptop 2. Apple as security system, please unplug the USB cable and put the charger in direct sun if your iphone show "this item is not support"