Stream audio wirelessly from any Bluetooth enabled music device (smartphone, digital music player, tablet or computer) to secure-fit, sweat-proof micro-sized sport in-ear headphones. Full 8 hours of use on a single charge. Micro-sized universal-fit with over-ear and under-ear fit options. Market leading Bluetooth signal strength ensures a consistent music experience with no drop outs. Sweat-proof seam design and a hydrophobic nano coating ensures the product is safeguarded against sweat damage even during intensive exercise. Jaybird’s patented enhanced-comfort ear fins and Comply premium isolation memory foam ear tips allow a comfortable secure fit within your ear. Your buds will stay solid when exercising. Customize your sound settings with the Jaybird MySound App and save them to your X3 headphones, no matter what music device they’re paired with or what music service you use.