A customer looks at an Apple Inc. Watch Series 4 device at an Apple store during its launch in Hong Kong, China. (Photographer: Anthony Kwan/Bloomberg)

Apple’s New Smartwatch Can Only Monitor Your Heart in the U.S.

(Bloomberg) -- Shoppers queuing up to buy Apple Inc.’s latest smartwatch anywhere but the U.S. face an uncertain wait before they can use the product’s headline-grabbing electrocardiogram feature.

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