1.Harman Kardon Signature Sound - refined, full-bodied sound with rich bass.2.Retractable Ear Buds - an intuitive wire management solution with a comfortable, customizable fit.3.Quad-Layer Speaker Technology - balanced audio and less distortion.4.Dual MEMS Microphones - delivers exceptional voice call clarity for uninterrupted conversations.5.Sleek and Lightweight Design - lightweight, comfortable contour with smooth, seamless style.6.color:black,rose gold,sliverLG Tone Infinim HBS-900 Bluetooth Wireless Stereo Headset