Feature: It can be used as a base, which is convenient for WII U Gamepad host when using the for WII remote controller handle to provide a good support for the host. It can charge two remote controller handles equipped with special battery boxes at the same time The two charging bases have charging indication functions respectively The two sets of charging are controlled independently without mutual interference The charging current is automatically adjusted by the CPU according to the battery characteristics, and the maximum charging current can reach 300 mA With over-voltage, over-current, over-charge, over-discharge, positive and negative level short circuit protection functions Instructions for use: 1.Connect the for WII U charging cable to the charger correctly. 2.The indicator light in the middle of the charger is bright blue, and the charging indicator lights on both sides of the remote controller flash red and blue once, and then turn off. 3.Put the for WII U gamepad main unit on the charger, the power indicator on the charger will be red, and it will be blue when fully charged. 4.Put the handle of the remote control, equipped with our special battery box, and insert the nickel-metal hydride battery. Then insert the remote controller handle into the dock charger. The charging indicator on the dock charger lights up red to indicate that it is charging, and it lights up blue when fully charged. Note: Transition: 1cm=10mm=0.39inch Specifications: Item Type: Charger Input voltage: DC5V Input current: MAX2A Quantity: 1 PC Material: plastic colour: black Package Contents: 1 x Smart Charging Station