Description:

Dual smart USB ports quickly and easily identify your mobile devices, to provide optimal charging efficiency automatically.
Simultaneous charging any two devices at high speed with 3.1A total output power.(3.1A=2.1 A+1.0 A)
Intelligent circuit design protects against short circuiting, over-heating, over-currents, and over-charging.
Universal USB port works with most USB cables.
Compatible with iPhone, iPad, iPod, Samsung, HTC, MP3 players, digital cameras, and other digital devices.

Specification:

Material: Alloy+ABS
Input: DC12-24V
Output: DC5V 3.1A(max)
Diameter: 2.5cm/0.98inch

Package Includes:

1 Piece Dual USB Car Charger