jabra elite sport true wireless waterproof fitness & running earbuds with heart rate and activity tracker-advanced wireless connectivity and charging case-4.5 hour (renewed) jabra this product has been professionally restored to working order by jabra. it has been inspected, cleaned, and repaired to meet our specifications and is in excellent condition*. manufacturer refurbished for your confidence and safety, each product is: fully tested for power, charging, pairing, speaker, microphone, volume, and tactile thoroughly inspected and cleaned; repackaged for resale in shipping friendly packaging including accessories backed by our 180 day warranty. *the product could have minor blemishes. with 16 years of bluetooth experience and a unique expertise in sound quality, the jabra elite sport wireless earbuds guarantee superior sound and call quality. the bass enriched speakers have four advanced microphones for superior call technology that filter out background noise, and make sure that only your voice is heard in every environment. now with a battery that delivers 4.5 hours of play time, coupled with a portable charging case you have a total 13.5 hours of power at your disposal. superior comfort and an always-reliable secure fit is delivered by customizable fitting options that enable all-day use and improve the quality of your sound experience. you can achieve a secure fit no matter how vigorous your workout is, and you have the option to wear one or both buds depending on your activity.