Charge your portable devices in car with our 2.1A Dual-USB Port Aluminum Alloy Universal Quick Car Charger Adapter! With dual USB outputs， it lets you charge two devices at one time. 2.1A large current enables speed charging for your USB-enabled devices like cellphones and tablets. High-grade cells with aluminum alloy housing ensure its high performance. And it is equipped with safety circuits that protect battery and devices against overtemperature， overcurrent， and short circuit. Simply plug it into the car cigarette lighter and start charging!                                    Features             Dual USB outputs let you charge two devices at one time<br> 2.1A large current enables speed charging for your USB-enabled devices<br> High-grade cells with aluminum alloy housing<br> Inbuilt safety circuits prevent against overtemperature， overcurrent， and short circuit<br> High charging efficiency， stable performance<br> Simply plug it into the car cigarette lighter and start charging   <br>                                                            Specifications             Material     Aluminum Alloy & ABS    <br> Color     Silver    <br> Input     12-24V    <br> Output     5V    <br> Maximum Current     4.1A    <br> Temperature       -10°C~50°C     <br> Dimensions     (2.72 x 0.98 x 0.98)" / (6.9 x 2.5 x 2.5) cm (L x W x H)    <br> Weight     0.77oz / 21.7g     <br>                                                             Package Includes            1 x Car Charger Adapter<br>