*This item is REFURBISHED. JBL Signature Sound - tuned by JBL for high-quality acoustic performanceRetractable Earbuds - an intuitive wire management solution with a comfortable， customized fitDual MEMS Microphone - delivers exceptional voice clarity for uninterrupted conversationsQuad-Layer Speaker Technology - balanced audio and less distortionAround-the-Neck Wearing Style - lightweight， comfortable contour with smooth， seamless style