Sleep Alert tool

Called the Driver's Angel, this looks like a hearing aid and works like an alert passenger to keep you awake while driving. The white-plastic device hooks behind your ear and emits an authoritative, high-pitched signal if your head droops past 45°-and you can adjust the angle for even lesser nodding. Measures 2-9/16" x 2-1/4" with a 3/4" dia circle at the back that holds (3) button cell batteries (included, and replaceable). Mighty cheap alternative to sleeping at the wheel, we think.

~ Cure sleepiness right away to prevent car accidents, to ensure driving safety
~ Great for students who wanna stay alert while studying
1. Wear this Bluetooth-look-alike tool on ear
2. Move Switch once to activate or twice for a handy Light
3. When your posture is straight, it wont beep. When you are sleepy and nod your head, the beep sound will ring to alert you.
- it indirectly correcting your sitting posture, prevent humpback and prevent shortsighted
- the button battery (AG13X3) is changeable

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