Yurbuds Explore Talk Gray/Orange Running Headphones Twistlock Technology: Yurbuds Twist Lock into place for a secure fit that never fallsout, even under the most intense workout conditions With Mic: Water resistant 1 button control & microphone for controlling music and calls on all smartphones Flex soft: Ergonomically designed to avoid nerve rich areas of the ear Made with flexible silicone, Yurbuds are ultra soft and comfortable for hours on end Ambient Noise Awareness: Designed to allow more ambient noise than most other earphones at the same volume levels