About this product Product Identifiers Brand Sennheiser MPN HD599 EAN 0615104270992 GTIN 4044155207576, 0615104270992 UPC 0615104270992 Model HD 599 eBay Product ID (ePID) 19034681651 Product Key Features Number of Earpieces Double Cable Length 1.2m, 3m Form Factor Headband Features Open Back Custom Bundle No Wireless Technology Bluetooth Type Ear-Pad (On the Ear) Connectivity 3.5mm Jack Manufacturer Colour Ivory Additional Product Features Colour Ivory