Experience Monster's legendary sound and performance with NCredible NTune high-performance on-ear headphones with ControlTalk for handsfree calling. Put these NTune headphones on and you'll hear popping details and booming bass. Play it as loud as you want, because Monster's advanced headphone technology keeps your music distortion-free. Dual audio input jacks let you and a friend connect your MusicShare headphones together to listen to your tunes or watch movies simultaneously and at your own preferred level of volume.