SUPERIOR SOUND & COMFORT FIT- naturally match your ear canals; 2 sets of additional ear tips ensure a proper fit for all BRAIDED CABLE- braided cable for lasting durability, the length of cord is 4.3ft/1.3m IN LINE MICROPHONE- conveniently take calls UNIVERSALLY COMPATIBLE- 3.5mm headphone plug; works with various audio devices with standard 3.5mm interface such as smart phone, tablet, portable dvd, MP3, etc.