Compatible With Apple, Electronic Biosensor Anti Snore WristbandNoteNon Apple branded products,Compatible with iPhone models Description Reduce the frequency and the intensity of snoring Reduce the occurrence of breath temporary disease Raise the tension of respiration organ Greatly raise the sufferer\'s sleep\'s quality (The efficiency is above 90%) Automatic power off after 8 hours Process To Reduce Snoring Detect snores with creatively designed biosensor Reduce snoring frequency and volume without disturbing