30-second reviewThe LectroFan Mini2 is a portable white noise machine that doubles as a mini Bluetooth speaker when you’re on the move – and if you struggle to settle down in hotel rooms, it could be invaluable.  LectroFan makes a wide variety of sound machines to block out distractions and help you concentrate on your work, or drift off at night. As the name suggests, most of these use a physical fan to generate noise.
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