Anti-drowsiness Reminder, On-board Driving Sleep Warning, Alarm Device Headset

Features:

Please turn off the switch when you do not use it.
Keep it away from high temperature and damp.
Anti-drowsiness Reminder On-board Long-distance Sleepy Fatigue Driving Sleep Warning.

 Specifications:

Color: Black
Size: 6cm*5.5cm
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.

Package Contents:

1 x Wake-Up Alarmer for Road Safety 

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.