"Devices will be paired in as few as three clicks. Encrypted data transfer means no need for passwords. And lower power consumption means that Bluetooth 2.1 devices will have as much as five times the battery life of their predecessors.
Users will be able to easily beam photos from cameras to printers or digital picture frames. Wireless keyboards, mice, and videogame controllers will get a boost too. Bluetooth 2.1 will be integrated with near field communication, or NFC, a standard for mobile payments, so consumers will have more opportunities to pay with their phones."
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