Charge your portable devices in car with our 5V 3.1A Dual-Port Universal Speed Charging Car USB Charger Adapter! With two USB outputs， it lets you charge two devices at one time. 2.1A+1.0A large current enables speed charging for your portable devices such as cellphones， tablets， and more. Built with safety circuits， it protects batteries and devices against over-voltage， over-current， over-temperature， and short circuit damage. And it supports a wide voltage input ranging from 12V to 24V. Click and buy now!                                    Features             Sleek， compact design， easy to carry<br> Two USB outputs let you charge two devices at one time<br> 2.1A+1.0A large current enables speed charging for your portable devices<br> Inbuilt safety circuits protect batteries and devices against over-voltage， over-current， over-temperature， and short circuit damage<br> High charging efficiency， stable performance<br> Support a wide voltage input ranging from 12V to 24V   <br>                                                            Specifications             Material     Plastics    <br> Color     White    <br> Input     12-24V    <br> Output     5V    <br> Maximum Current     3.1A    <br> USB Port     Double Port    <br> Working Temperature     -10°C-50°C    <br> Dimensions     (2.56 x 1.10 x 1.02)" / (6.5 x 2.8 x 2.6)cm (L x W x H)    <br> Weight     0.74oz / 21g     <br>                                                             Package Includes            1 x Car Charger Adapter <br>