• Wear it on the right ear properly as illustrated.
• Turn on the switch.
• Examine whether it is in normal operation: it beeps when you are leaning your head forward and makes no sound while sitting straight, it is at normal stare.
• Please turn off the switch when you do not use it.
• Keep it away from high temperature and damp.
• Color: Black

Description:

• For drivers, long distance truck drivers, road trip safety, late night workers, security guard, etc
• Driver safety alarm can help prevent accidents caused by driver's sleep when driving
• Keep Drivers awake!