... and short circuit protectionFeatureCompact and lightweightUse All mobile phone models,iphone,ipad, xoom, Galaxy Tab, PDA, MP4,bluetooth Certification UL, CE FCC ... make it easy to charger two divices at the same time.Compatable for charging all cell phones such as iPhone, ipad, iPod, Samsung, Nokia ... New Design! Plug Removable 2.1A Dual USB Mobile Phone Charger for iPhone/iPad, Galaxy Tab P1000