Jabra REVO Corded Stereo Headphones - Gray(Certified Refurbished) This Certified Refurbished product is tested & certified to look and work like-new. The product includes all original accessories and is backed by a 90 day warranty. Jabra Sound app provides High Definition Dolby Digital Plus enhanced sound Unrivaled durability -bend tested and made for use while on the go Controls on the cord to easily manage music and phone calls Two jack connectors for sharing music or videos with a friend