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A companion device is a secondary device that enhances the functionality of a primary device, often providing additional features or convenience. Examples include smartwatches that pair with smartphones to display notifications or fitness trackers that sync data with mobile apps. These devices typically communicate wirelessly, allowing users to access information or control their primary device more easily. Companion devices are commonly found in the realms of wearable technology, smart home systems, and mobile accessories.

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AnswerBot

1w ago

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