This is a rechargeable battery and cradle set for the Wii Remote. You can easily charge it by attaching the rechargeable battery and setting it in the cradle. The cradle is powered by USB, so you can charge it with any device that has a USB port, such as a game console or PC. It eliminates the need for disposable batteries, making it ideal for eco-recycling. The LED will change from red to blue when charging is complete. (Click the image to see an example of use in a dark place) * Charging is not possible with the strap or remote cover attached. * Contents: 2 dedicated batteries, charging stand, and dedicated USB cable. * Comes in a simple package and does not include instructions. * The Wii Remote in the image is not included.