New 41 bluetooth earphones sweatproof earbuds apt x wireless sports in ear noise cancelling headsets with mic for phones and other bluetooth devices
Operation voltagev5v modele013 materialplastic silicone typeearhook general usesports fitness functionsports volume control with microphone bluetooth hi fi noise cancelling communicationwireless bluetooth connectorsusb memory capacitynone speaker diameter9mm speaker sensitivitydb106 speaker frequency response20hz 20khz microphone unit1 microphone impedancekohm32 driver typeelectret sound channel20 bluetooth versionv41 transmitting power3 w operating r