Features: Designed for charging Wii remote/ Wii motionplus remote & Wii U gemapad controllers. Third party product 2 in 1 design, charging 2 remotes and 1 Wii U gamepad simultaneously, never running out of battery Come with 2 rechargeable batteries for Wii remote controller, no more buying regular AA batteries frequently Included a USB charging cable. A 5V/2A wall charger adapter is required.(Wall Charger Is Not Included) You will know the charging status by the LED light color changing. Red means charging, and blue means charged User Guide: 1. Install the battery on your Wii Remote controller. 2. Connect the charger dock with power source. 4. Place Wii Remote & Wii U Gamepad on the dock, and make sure they connect properly. Features: The charging dock station can charge Wii Remote & Wii U Gamepad Come with 2 high capacity rechargeable batteries for Wii Remote USB port charging cord is convenient to connect with power LED light indicator let you know the charging status Never be out of battery when you play games with families & friends Specifications: Product name: 2 in 1 Charging Dock Station Demention: 5.7*4.72*2.2 inches Total Weight: 9.1 ounces Color: Black Battery Type: Ni-MH battery Output: DC 5V(Dock) Material: Plastic & Metal Package Included: 1* Charging Dock Station 2* Rechargeable Battery 1* USB Charging Cord Notice: -- Power source requires 5V/2A input. -- Used for regular size Nintendo Wii remote/ remote plus controller & Wii U Gamepad. -- Blue light is on when there is nothing on the charger dock station. -- Place the Wii remote properly on the charger dock, make sure they connect well. -- It will take about 2h to be fully charged, and it depends on how many charging unit on it. -- You can press the SYNC button through the small hole on the back of the battery by using a pin or toothpick .