Arm Pocket Yurbuds Signature Series Pete Jacobs Plus Reflective Cloth Cords Sport Earbuds 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 2 button control & microphone for controlling music and calls on all smartphones Ambient Noise Awareness: Designed to allow more ambient noise than most other earphones at the same volume levels High Visibility Reflector: Reflective covering provides high visibility for an extra element of nighttime safety