“and stop using your Kindle if it becomes a distraction. Personal medical devices, such as pacemakers, may be sensitive to magnetic and electromagnetic fields. Since Kindle and certain Kindle accessories contain magnets and emit electromagnetic fields, they should be kept at least 6 inches (approximately 15 cm) from any personal medical device. If any interference is observed, consult with your physician before”
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Amazon,
Kindle Paperwhite User's Guide
