MOCREO Bluetooth Wireless Stereo Headphones NFC Bluetooth CSR4.0 Headsets w/ Bulit-in Microphone Hands-free Calling Compatible w/ Apple iPhone 6 Plus, 5s; Samsung Galaxy Note 4, Galaxy S5, Galaxy S4; HTC One M8; Nexus 6, Nexus 9; LG G3; iPad Air; iPod; MP3 Players - Using Voip, Skype and Online Talking (Black) Advanced Bluetooth CSR V4.0 Technology. Ultra-optimized version of Bluetooth that consumes less energy and delivers crystal clear sound. Features Near Field Communications (NFC) technology which allows for easy, one-touch pairing by simply tapping your NFC-enabled Bluetooth smart device on the headphone. Compact and portable design, its ear cup and headband top are padded with sufficient foam and covered with soft leather. What you may not notice is that we have adjusted the headband, based on Ergonomics theory to fit all head sizes. Easy to control your music using integrated five functional buttons into the right earcup, you can start/pause/skip music tracks, answer incoming phone calls and control volume levels. Compatible with not only NFC-enabled Devices, but also Bluetooth-enabled mobile phone, tablet PC, and notebook. Built-in 3.5mm audio port, but 3.5mm audio cable NOT included.