Promotional Popular Dual USB 5v 2a car charger, 5v 3.1A auto charger Description:1. Input voltage: 12-24V; Output Voltage:5V 3.1A 2A2. Can work with almost all smartphone3. The charger used for GPS, PDA, mobile phone, Game Player other Digital camera and so on.4. Certificate: CE,RoHS,FCC 5. Customized/OEM car charger available. ..