Excelity&reg;External Power Supply Charger AC Adapter with Micro USB for Android Mobile phone Tablet-5V 2.5A US Adapter,Input Voltage : AC 100-240V,50-60Hz (Worldwide AC Input) Output : support 5V 2.5A/2500mA Max Fast charge(Also Compatible with 2000mA,1500mA,1000mA or lower device) Connecter Size : Micro USB,Wire length:Approx 3.6Ft I/C Chip Technology To Protect Your Device: Over Voltage Protection, Over Heat Protection,Over Current Protecion Compatible With Most Of The USB Enable Devices: including for cell phone, PDA, digital camera / camcorder , Raspberry Pi and more.