2-Port 2.1A USB Multi adapter with Auto-ID Ref: ON1504

Charging Adapter / Charger with 2 USB ports
  
   Travel Charger with 2 USB ports
   Input: 100-250V
   Output voltage: 5V
   Output Current: 2100mA max. with Auto-ID function
   Output current per port: 2.1A max.
   The Auto-ID feature allows you to connect your device to any USB port of the charger. The power required is determined on the connected port and made available. The ports communicate with each other about how much power on the remaining terminals is still possible.