Sport Bluetooth Headphone, Imarku&reg; Wireless Bluetooth Headset Headphone with Bluetooth 4.0 for Running Exercise Sport. Compatiable with Apple Iphone 6 6 plus Android Devices and Tablets Fully exerciseproof: with functional user interface, earpiece design, and a 10meters working distance, our headphones will let you enjoy music through a variety of activities. Simple to use: control all functions of your music (volume, sound, song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves. Imarku headphones are equipped with Bluetooth 4.0 EDR alongside a 10meters working distance, meaning unparalleled functionality in headphones 60 percent smaller than the competition.