The black and white Jax In-Ear Headphones from Sol Republic are designed to play back audio and take calls from your phone or portable music device. They feature a flat, tangle-free cable with an in-line 3-button remote and microphone that is compatible with most Apple, Android, and Windows devices. The Jax Headphones are powered by Sol Republic's i2 sound engines. 4 pairs of ear tips are included to provide you with the most comfortable fit. Sol Republic will replace your ear tips for the life of your Jax In-Ear Headphones. .