New Design - The adjustable strap can be worn on the wrist like a watch. It is of high quality and will not affect your breathing and sleep. We make it lightweight, you will forget it, safe and breathable Bio-sensor Detects Snoring - This simple wristwatch has an automatic biosensor to detect snoring and stimulates your wrist with a gentle electric pulse to adjust your mouth and open your jaw to stop snoring USB Charging - Saves the trouble of replacing the battery. And it will not be unusable outdoors because it has not replaced the battery. You can add power anytime, anywhere Adjustable Wrist Strap - Will the chin strap fall off the head? The difference between this watch and other chin straps and cigarette holders is that it is easier to use and less tight, and breathing is more free. Use the anti-north wristband to let otherpeople fall asleep, no longer use earplugs, no longer toss, turn around in bed