Desel Wireless Bluetooth Headphones Stereo Sweatproof Noise Cancelling Headsets with Mic Sports Earphone Earbuds for Gym Running Jogging Workout Desel bluetooth headphones equipped with Bluetooth 4.0 technology and the microphone allowing you to listen to music and answer call from your cell phone as far away as 33 ft/10 m. Built-in Rechargeable Li-Polymer Battery,The bluetooth Up to 5 hours of talk time or 175 hours standby.meaning unparalleled functionality in headphones 60% smaller than the competition Comfortable in-ear design with interchangeable earhooks.you can choose the size what you need. Multi-pairing: It can connect with 2 cell phones or tablets simutaneously. 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. Universal device compatibility: the Headphones are compatible with most Bluetooth- enabled phones, and reduce external sound. Works with iPhone, Android Smartphones, tablets, iPod touch, and other Bluetooth devices.