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The Wii Balance Board was first released in North America on May 19, 2008. It is a 22" x 15" x 5" platform with a white top and light gray bottom. It weighs 9 pounds and is rated to withstand up to 660 pounds. The Wii Balance Board serial number is B0024MNOGE.
The Wii Balance Board runs off of four AA batteries and features Bluetooth technology and contains four pressure sensors in each of its feet.
Over 42 million units have been sold since its release.