new style 5 V 3. 1A dual port USB car charger mini bullet vehicle-                                                               mounted mobile charger 

Full output,efficient IC,quick charger
Specification: 5 v - 3.1 A
Input: DC12-24 v (maximum voltage 45 v)

Output: DC5.0 V - 3.1 - A (have constant current constant voltage function)
Material: precision electrical components, fire boards, fire plastic imports
Private fashion design
constant current output, safety and efficiency
Built-in IC, with short circuit protection, high temperature protection, over current protection
It will compatible with most smartphones and tablets on the market.