Driver safety alarm can help prevent accidents caused by driver’s sleep when driving.
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-Easy to use and comfortable to wear for a long time.
-Especially suitable for long-distance driving or night driving.
Wear it on the right ear properly as illustrated.
Turn on the switch.
Examine whether it is in the normal operation: it beeps when you are leaning your head forward and makes no sound while sitting straight, it is at normal state.
Please turn off the switch and put it away when you do not use it.