This item is perfect for the green gal on-the-go! Connect this solar-powered, neon green and canary yellow charger to your iPhone or iPod for instant energy! Its built-in solar-panel will charge its 550 MAH lithium battery when you expose it to direct sunlight or you can give it some juice by connecting it to the USB port of your computer. Attach it to your key-chain so you always have a back up, and you will truly harness power in your purse!