Enjoy music and other audio content while you exercise with Jaybird X2 Premium Wireless Earbuds. These compact sport earbuds are optimized for active use. Their X-Fit design enables both over- and under-ear wearing. They also have an 8-hour battery life, so you can enjoy long periods of uninterrupted listening. Jaybird earbuds provide a secure fit with enhanced comfort fins. Each pair comes with a sport carrying case for easy packing. Built-in Bluetooth connectivity enables wireless use with a wide variety of portable and in-home devices.