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Amazon’s new Fire HD 8. Photo via Amazon.

Amazon’s?patent,?approved last month,?could lead to the?development of noise-canceling headphones?that could?be overridden and muted by certain noises or keywords. This could mean the headphones are always listening for something that could indicate danger, like a car horn or emergency vehicle siren. It also means users could program in their own override words, phrases and sounds, such as the user’s name.

American Airlines, the world's largest carrier, and Fliggy, a travel service platform of Alibaba Group, announced on Tuesday that they will form a strategic partnership and provide travelers in China access to purchase the airline's services and products through Fliggy.

Amid growing optimism that China's auto industry is improving, industry experts have urged caution and said both sales and production in the country could take a big hit if the health crisis is not curbed overseas.

Among its featured products, the Concept A Sedan stole the spotlight with a dazzling appearance at the Shanghai Film Museum, which also will be exhibited at Shanghai auto show.