100% Brand-New
100% High-Quality

` Powerful alarm beep

` Work on the study of human body balance

` Easy to use and comfortable to wear for a long time

` Just switch on the on-off, place it correctly behind ear then it will work

` Especially suitable for long-distance driving or night driving

` Powered by four AG3 button cell batteries (included)

` Ergonomic Design - fits around back of ear

` Wear on a ear, when your head nods forward in the degrees of 15 to 20 Centigrade , an electronic position sensor will emit a loud alarm

to instantly wake you and your passengers.

` An anti-sleep alarm designed to raise drivers awareness of momently lapses caused by sleepiness and tiredness.

` A perfect choice for people who need to be on full alert while on duty such as security guards, machine operation and even students

who need to work on their posture.

` New in original retail package.

` Size: 5 X 6 X 1.5cm/ 1.97 X 2.36 X 0.59in

` Material: ABS

` Quantity: 1pcs