Switching wall mount power supplies (changeable AC plugs), input voltage 90-264V, output voltage 5V or 12V, power 10.5W or 12W, output current 1A or 2.1A. Connectors 2.1x5.5, USB inlet and micro USB, cable length 1.4m. Separately connectable plugs for Europe (W2E), G. Britain (W3U), USA (W2), Australia (W2A) and China (W2C). Also available as ITU T K.21.