Rhythm NFC is most advanced headphones yet. Featuring high definition, four channel stereo sounds, Miikey technology and the latest Bluetooth connectivity (2.1), it delivers the extended highs, natural mid-tunes and powerful lows without cords. With its deep bass; Rhythm NFC is your personal club on the go. Miikey researched for 2 years to bring you the experience that an artist wants you to hear when its produced. With Wireless Rhythm NFC by Miikey, you will not miss a beat of the song. Listening to music on Rhythm NFC is like having your own personal studio, and the same four-channel stereo sound is in your phone calls too! Wireless Rhythm NFC changes how you listen to music and make calls, all wireless!