Which product holds the Guinness World Record for the fastest design-to-market timeline for a mass-produced consumer electronic device?

The Guinness World Records has documented countless incredible achievements in product design and innovation that have pushed the boundaries of what's possible. From the largest consumer products to the fastest product development cycles, these records showcase human ingenuity at its finest. Test your knowledge about remarkable product design achievements that have made it into the record books!

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Apple iPhone 1 (2007) - 11 months from final design to retail shelves
Beats by Dre Studio headphones (2008) - 9 months from concept to global release
Xiaomi Mi Band (2014) - 4.2 months from design freeze to mass production
Amazon Echo Dot 3rd generation (2018) - 7 months from prototype to worldwide launch