Features: Wii Dual Port Charger Dock for Remote Controllers: Charge two Wii / Wii U remote controllers simultaneously with our Dual Port Charger Dock, compatible with Wii / Wii U motion controllers and rechargeable batteries. CONVENIENT CONNECT POWER: come with 5' long One USB power cord and USB AC adapter , mutiple choice for you to Charge through :Wii console, computer,TV with USB port,or USB wall outlet plug. ECONOMY & ENVIRONMENTAL PROTECTION- Save a lot of money and protect the environment by using the rechargeable battery,perfect alterbative of disposable AA batteries. HIGHER CAPACITY BATTERY - matiral changed from Nickel-cadmium to nickel metal hydride, so improved 200% capacity compare with those normal 2800mAl rechargeable battery, lasts 3~5 times longer than the standard AA batteries. and The rechargeable battery pack fits perfectly on the motion plus controllers,kids so happy playing games without dead power worry. COOL LED LIGHT INDICATOR - easy to read, red for charging or blue for fully charged EASY TO STORE: extremely lightweight and fully portable, takes up about as much surface area as the average cell phone, easily stored away when it's not in use. Perfect for someone who doesn't like clutter or doesn't have much shelf space available.