RichardSolo 1800 External Battery Pack for iPod Touch, Classic, Nano and iPhone 2G, 3G, 3GS, 4 and 4s - With a Built in Red laser pointer and LED white flashlight Compatible with iPhone, iPod touch and all other iPod devices except shuffle Works great with the iPhone 4s Small and lightweight for pocket, purse or briefcase also has a Built in Red laser pointer and LED white flashlight and fits easily to any iPhone case USB retractable cable connects Smart Backup Battery directly to computers USB port, car charger, or AC wall adapter for convenient charging Smart, automatic on/off charging technology protects the battery from overcharging; Advanced circuitry keeps battery cool to touch