Product Description

Features:

1.Perfect for truck drivers, taxi cab, drivers, late shift workers
2.Driver safety alarm can help prevent accidents caused by driver’s sleep when driving.
3.It is especially suitable for long-distance driving or night driving
4.Easy to use and comfortable to wear for a long time
5.Only ON/OFF button, no need any setup
6.Built-in high sensitive sensor,sensitive alarm
Usage Directions:1.Wear it on the right ear properly as illustrated
2.Turn on the switch 
3.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
4.Please turn off the switch and put it away when you do not use it
5.Keep it away from high temperature and damp 
Note: this is just a drowsy driver reminder, not a earphone

Specification:

Type:Car anti sleepy reminder alarm 
Color:Black
Alarm mode:Sound alarm mode 
Battery type:Two AG13 environmental protection battery (including) 
Rated pressure: 85dB 
To send the alarm angle:15 degrees -25 degrees
Sensitivity:123dB 
Frequency Response Range:8-25000Hz

What is included:

1 x  Car anti sleepy reminder alarm