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Automatic safety shutdown:
If you take a single puff lasting 10 seconds or more, the blue indicator lighting will flash 10 times and your device will shut down and reset after a few seconds. This feature ensures that your blu device stays within normal operating conditions to provide a consistent, quality experience.
Short circuit protection:
In the event of a short circuit prior to use, the blue indicator light will flash 3 times and the unit will automatically shut down. If a short circuit occurs during operation, the indicator light will flash 5 times and the unit will shut down. Should either of these occur, charge your device with the USB cord provided.