Sol Republic Jax in-ear headphones. i2 Sound Engines for Jax provide a powerful, high quality sound that will exceed all expectations. 3-button mic + music control is designed specifically for full feature compatibility with recent generations of Apple devices. The audio and mic are likely to work with most devices that have a 3.5mm jack, including but not limited to, Android, Blackberry and Windows devices. The high clarity mic captures every word possible. Tangle-Free Cable: With the intuitively designed wide and flat cable, you will spend less time handling your headphones and more time listening to music. Imported.