Generic 1M / 3FT USB Data Sync Cable + Dual 2 Ports Car Charger Adapter for Galaxy S3 i9300(White) Car Charger: Input: DC 12-24V Output: DC 5.0V 2.1A + 5.0V 1A Length: Approx. 2.5" (62 mm) Diameter: Approx. 1.0" (30 mm) Data Cable: Micro USB to USB data sync charging cable This Combo Pack Includes: 1* Dual Ports Car Charger + 1* USB Data Charger Cable Car Charger: Controlled by intelligent card, don't backflow, don't overcharge ; Can intelligentlly buffer, activate the sleepy state of the battery Cable Length: about 1M / 3FT