With an IPX7 water-resistance rating and redesigned wing tips, the successor to Jaybird's X3 wireless earbuds are good-sounding sports earphones prepared for wet weather.

Engaging sound; Firm fit; Useful sound-customization

Some hardness on upper mid treble; Slow-to-respond remote

Offering a comfortable fit, outstanding waterproofing. and pleasing, adaptable audio at a reasonable price, the Jaybird X4 wireless sports earphones are a great choice for anyone looking for a new pair of Bluetooth earbuds.

Photo courtesy of Jaybird If you're in the market for a great pair of wireless sport headphones for working out, getting active, or even for commuting, the Jaybird X4 is an excellent option. I honestly could not come up with any downsides.

Excellent fit; Great sound; Good battery life; Waterproof

The app could use improvement; since you need Spotify Premium to play music through it

Every year Jaybird, like many companies, updates their existing products. For the last four years, we've seen them make upgrade after upgrade to their X lineup of headphones, which are incredibly popular and have a near cult-like following.

Good audio quality and sound isolation; IPX7 certified (water resistant down to 1 meter for 30 minutes; Ability to customize EQ settings via Jaybird app; Solid battery life at 8+ hours on a single charge; Quick charge feature gets you 1 hour of playback off just 10 minutes of charging

Jaybird got rid of the cord management clips (we think this was a mistake; Fit won't be for everyone

These good-value headphones with customisable sound settings are a solid update on Jaybird’s popular X3s

The Jaybird X4 Wireless are great wireless sports in-ears that are versatile for everyday casual use. They block a decent amount of noi...

Jaybird, one of the early leaders in wireless in-ear sport headphones, has a new X-series headphone, the X4. Not only is it sweat proof but Jaybird says it's fully waterproof, with up to 8 hours of battery life and fast charge feature that gives you one hour of play time from a 10-minute charge.

Jaybird has included new tips and fins that promise a more comfortable secure fit in the next-generation of the company's popular X-Series headphone.