Wake-Up Alarmer for Driving Safety
For driver safety, non-sleep is the best choice!
Electronic balance principle
Loud but not harsh sound
Perfectly fit your ear shape
Universal LR44 batteries for 6-12 months endurance
Suitable for students, drivers, office workers, etc.
HOW TO USE
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.
Please allow slight measurement deviations due to manual measurement.
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed in the pictures.