HJ Anti-Drowsing, Anti-Sleep Alarm, Angle Sensing, Car Security, Driving, Study, Sleepiness Countermeasure, Sleepy Awakening, Over the Ear (Set of 5)

Useful for: Useful in a variety of situations, such as when you are driving away, heavier eyelids while studying in the library, or when you 't focus while attending meetings (Great Sleepiness Prevention) When you try to attack sleepiness, this item will detect the tilt of your head and make a warning sound immediately. It is not only effective for driving, but also for night time work and studying How to Use: Just turn the switch of the sleep prevention alarm to ON, and you use it immediately. In addition, you adjust the sensitivity of your head by changing the angle you place it on your ear Convenient to Carry: Comes with a hole that be attached to a key ring for convenient carrying Power Switch: When in use, you turn on the switch on the main unit to detect the tilt of the head. Turn the switch off when not in use to save power

We will only accept returns if the item is different from the picture shown

on the product page or is not in the same condition as the product description.

All items are 100% authentic: we verify authenticity before selling.