Avantree Audition, Bluetooth over ear Headphones, NFC,dual mode,wireless & wired 2-in-1,Superb sound, Long music time(40hrs), bluetooth headphones with mic These Bluetooth stereo headphones enhance your listening experience by providing sound of exceptional quality. With audio line input, they are also for use with non-Bluetooth music sources. Intelligent near field communication (NFC) technology connects your headphones with your smartphone through just one, gentle tap. (Only functional with NFC-enabled mobile devices). Enjoy your favorite tunes in ultimate comfort with this Bluetooth headset's soft, over-the-ear headphones. For a personalized fit, simply adjust the headband to your individual requirements. This wireless headset, with 40 hours of play time and 20 days of standby time, keeps hold of its power by connecting to your phone with minimal battery consumption. Easily connect this aptX-codec-enabled Bluetooth headphone with built-in microphone to 2 devices simultaneously and listen to hifi stereo sound and crystal-clear phone calls wirelessly. And it is compatible with iPhones(iPhone 6 and iPhone 6 plus), iPads, HTC, Samsung devices, and more