JABRA Evolve 30 II HS Stereo Headset 80014071 14401-21 Product Description: Jabra Evolve 30 II HS Stereo - headset - replacement Product Type: Headset - replacement - wired - 3.5 mm jack Recommended Use: Portable electronics, phone, conference Headphones Form Factor: Full size Connectivity Technology: Wired Sound Output Mode: Stereo Microphone: Boom