" A great safety feature when driving or for preventing sleep at any time "

" A must have for everyone where your safety comes first and falling asleep in the wrong time can sometimes be dangerous or fatal .. keep a set or two handy with you and it is a practical gift to be given to friends and relatives. They will most likely thank you for this precious and thoughtful gift! "
The Benefits :
· Especially suitable for
· Sleep warning device that helps prevent fatigue related automobile accidents
· Fits behind your ear comfortably, even if you wear glasses
· Can also be used for reading or working at late night
· Respond to a sudden lowering of your head by sounding a very loud alarm
· Effectively prevents accidents caused by sleepy
· Cheap but effective
· Ideal for driving alone / at night / long tiring driving time / long-distance driving, night driving and drunk driving
· Light weight and comfortable
- only available in silver color
1、wear this Bluetooth-look-alike tool on ear
2、 switch on
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 corrects your sitting posture, prevents you from developing a hunched back
- the button battery (AG13X3) is replaceable