Generic 5W USB Official OEM Charger and Power Adapter(including Black Micro USB Cable) It is small lightweight design and sleek appearance. 5V, 1A power adapter compatible with most devices with a micro-USB port, although charging times may vary . Charging adapter works with both foreign and domestic voltages (100-240 VAC / 50-60 Hz). It is compatible with all Kindle Fire tablets, Fire tablets, Fire phone and Fire Keyboard.