The buds offer a full 8 hours of use between charges allowing for a full day of music or a full week of exercise</br>A micro-sized design allows a 34% size reduction compared to X2. Offers a comfortable fit for sport?? and when worn with a helmet</br>Hydrophobic nano coating ensures the product is safeguarded against sweat damage and rain showers even during intensive exercise. This allows X3 to be used during exercise with confidence</br>Personalize your sound settings and have them stored on your earbuds for use with any music device. The Jaybird MySound app gives you full control of your X3 sound profile</br>The ability to wear the device in the under-ear or over-ear position to completely lift the cord off the back of the neck. Your X3 will stay securely in your ears while you are being active</br></br>Product Description</br></br>Stream audio wirelessly from any Bluetooth enabled music device (smartphone?? digital music player?? tablet or computer) to secure-fit?? swe