Avantree Sweatproof Sport Use Bluetooth Headphones for Running, No Wire, Light, Outer Ear Speaker Outdoor Wireless Stereo Headset with Mic The perfect sports gadget, these sweat-proof Bluetooth headphones offer 12 hours of play time, 13 hours of talk time and 16 days of standby time. Easily connect this aptX-codec-enabled Bluetooth headphone with built-in microphone to 2 devices and listen to HiFi stereo sound and crystal-clear phone calls simultaneously. These Bluetooth headphones have a behind-the-head design that eliminates troublesome wires tangling during your workout. Light (23g), compact and easy to carry, this wireless Bluetooth headset is ideal for running and other outdoor sports. And it is compatible with iPhones(iPhone 6 and iPhone 6 plus), iPads, HTC, Samsung devices, and more. Play, pause and select tracks to suit your vibe with the user-friendly music controls. If a phone call comes through, your headphones will automatically pause a track for you - allowing you to either reject or answer the call and chat through these headphone's built-in microphone. Your track will then carry on where it left off after your phone call is over