The Inspire Pro and the Focus Pro Performance Fit earphones both feature a dry microphone and 3-button control remote. These features allow convenient navigation of music on your iPod® or iPhone® during rigorous activity even during extended use. The components within the 3-button control/ dry mic® are specifically selected for compatibility with: iPhone® (3GS, 4, 4S, 5), iPod® (120GB & 160GB classic; 4th, 5th, & 6th generation nano; 3rd & 4th generation shuffle), iPod® Touch (1st, 2nd, 3rd, 4th generation) and iPad® (1, 2, 3, 4). Some features may work with other devices.