For Samsung Sidekick 4G / Infuse 4G / Vibrant T959 / Fascinate / Mesmerize i500 / Captivate / Replenish, Nexus S 4G, Galaxy Prevail, Galaxy Indulge R910 / Gem / Galaxy S 4G HPF (TM) Dual Ports USB Car Charger Adapter with USB Charging Data Cable HPF (TM) 1000 mAh Dual USB sockets allow you to charge 2 devices at once Charge most devices that use a USB charging cable, (iPod, iPhone, cell phone, MP3, PDA, Blackberry etc..)) IC Chip recognizes a full battery & automatically switches to saver mode Can be used with input voltages from 12V to 24V DC (both car & truck) Comes with red LED charging indicator