Jabra Engage 40 Headset - Inline Link USB-A UC Mono. Product type: Headset. Connectivity technology: Wired. Recommended usage: Office/Call center. Headphone frequency: 50 - 20000 Hz. Weight: 45 g. Product colour: Black. Features noise-cancelling 2-mic technology and an inline call control. Works with leading Unified Communications platforms such as Zoom and Unify.