4 USB power ports charge 4 mobile devices simultaneously, provide one USB QC3.0 quick charge, one output 5V/3.1A, and another two total 5V/2.4A. Support QC3.0 quick charger, help your device charge quickly. With a clip it is very convenient to hang the adaptor behind the seat. 

Features:

• Type: Car Charger
  
• Output Interface: USB
• Power Source: Car Lighter Slot
  
• USB Ports: 4
  
• Output: 5V/2.4A
  
• Input: 12-24V/2.4A
  
• Support Quick Charge Technology: Qualcomm Quick Charge 3.0
• 4 USB port can be charged at the same time, it can support various mobile terminal used in the car, like mobile phone, for iPad, for PSP, eBook, GPS, cameras, etc.
  
• Come with 1.7m / 5.6" long cord, convenient for people sit on the back seat to charge and use their phone at the same time when driving.
• Support DC 12V-24V voltage input, applicable to most cars, trucks, etc.