This is a genuine Plantronics 3.5mm to QD Spectralink adapter cable. Designed exclusively for use between Spectralink phones & any Plantronics H-series headset. (30" cable length - attached image may differ slightly from actual product)
PLEASE NOTE: This adapter will ONLY work with Plantronics H-Series headsets, along with a Spectralink phone (Nothing else). This WILL NOT work with a Smart Phone such as a Blackberry or iPhone.