Global shipments of wearable devices came to 18.1 million units in the second quarter of 2015, up 223.2% from the 5.6 million shipped a year earlier, according to IDC.
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Global shipments of wearable devices came to 18.1 million units in the second quarter of 2015, up 223.2% from the 5.6 million shipped a year earlier, according to IDC.