A company's executive is using a wearable device that tracks her steps and heart rate during her workday. The device needs to synchronize this data regularly with her smartphone. Which technology would be most appropriate for the wearable device to communicate with her smartphone within a typical office?
Infrared
Bluetooth
WiMAX
RFID
Bluetooth is the correct answer because it is specifically designed for short-range communication often needed for connecting wearable devices to smartphones, making it a typical technology used for Personal Area Networks (PAN). Infrared requires a direct line of sight and is not commonly used for health wearables due to the necessity of constant connectivity. RFID is primarily used for identification and tracking, offering different functionality compared to the synchronizations of a wearable device. WiMAX, on the other hand, is suited for much larger ranges and wouldn't be the most power-efficient or practical solution for communication between a wearable device and a smartphone.
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