Wireless Music+Calls coupled with Superior Audio Performance, a revolutionary 8 hour battery play time, Patented Secure Fit for Sports, Sweat Proof Nano coating locks moisture out, and the all new X-Fit, you have the option of lifting the cord off your neck for the perfect workout headphones. SO MANY REASONS TO LOVE BLUEBUDS X JayBird BlueBuds X Premium Bluetooth earbuds deliver wireless music and calls coupled with superior audio performance rivaling the best in wired headphones. Plus you get revolutionary eight-hour battery play time, patented secure fit for sports, sweat proof with Lifetime Warranty Against Sweat, and the all-new X-Fit—which lets you lift the cord off your neck for the perfect workout headphones. Wireless music and calls Shift Premium Bluetooth Audio for superb sound Patented secure fit for sports Liquipel sweat-repellant nano technology Revolutionary BatteryHD doubles playtime to 8 hours X-Fit, SignalPlus, and voice prompts on board Official training headphones of USA Triathlon MICRO-SIZED WITH BATTERY HD A WEEK’S WORTH OF WORKOUTS ON A SINGLE CHARGE BlueBuds X are the smallest Bluetooth headphones available, yet they pack an incredible 8 hours of play time, double that which has previously been possible from a product this small. Enjoy a full day of music and calls, or work out an hour a day for an entire week on a single charge. SHIFT PREMIUM BLUETOOTH AUDIO, WITH PURESOUND™ THE VERY BEST AUDIO EXPERIENCE BLUETOOTH RE-WRITTEN Traditionally when sound is compressed on a phone or music player, sent through the air by Bluetooth connection, and decompressed by the Bluetooth headphones, there is a substantial amount of packet loss. It means your music comes through lacking some soul, lacking some punch, and with a certain amount of static-like white noise. Through perfecting a custom implementation of the native Bluetooth SBC codec, which we call Shift™, we deliver a level of purity and sound that rivals and challenges the very best in wired headphones. A great feature of Shift™ is that it’s pair and play, meaning, nothing special is required on your phone or music device, just standard Bluetooth, Shift™ takes care of the rest. PURESOUND™ ELIMINATES LISTENER FATIGUE Jaybird have studied the impact of vocals on the ear over extended listening periods, and observed a very interesting phenomenon that even wired headphones today are not addressing. Did you know all in-ear headphones (wired or wireless) create white noise? Both the speaker diaphragm and your ear canal have their own impedance or resonance frequency. If they don't match precisely, they create a mirroring effect resulting in white noise feedback, noticeable as harsh sounds in the vocal area. This results in listener fatigue. Our on-board filtering system, called, PureSound™ filters out and eliminates the white noise, delivering a clean audio experience, offering hours of pure enjoyment. PATENTED SECURE FIT ULTRA-COMFORTABLE & SECURE BlueBuds X is locked and loaded ready for anything you can dish out. Patented sports ear cushions hug into the top, back & lower surface areas of the ear, all essential for sports. X-FIT™ Over/under-ear fit options. Over-ear lifts cord off neck, liberating your workout. Learn More JENNA™ Offers voice prompts for easy use Learn More SIGNAL PLUS™ For skip-free music outdoors, use music device anywhere on your body Learn More SWEAT PROOF JayBird’s famous Lifetime Warranty Against Sweat comes with every product. Learn More Availiable in Black and White