Yurbuds Adventure Line Venture PRO 3 Button Control and Mic Sport Earbuds Twistlock Technology: Yurbuds Twist Lock into place for a secure fit that never fallsout, even under the most intense workout conditions 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 Dry Mic - Water resistant 3 button control & microphone for controlling music and calls on the iPhone, iPod, and iPad