JABRA Engage 55 Stereo Headset on-ear 80014071 9559-435-111 Product Description: Jabra Engage 55 Stereo - headset Product Type: Headset - DECT - wireless Compatibility: Mac, Windows Recommended Use: Computer Headphones Form Factor: On-ear Connectivity Technology: Wireless Wireless Technology: DECT Sound Output Mode: Stereo Microphone: Boom Microphone Operation Mode: Uni-directional Controls: Mute, volume, answer/end, reject call Software Certification: Optimised for UC Manufacturer Warranty: 2-year warranty