HP UNIFIED COMMUNICATION BUNDEL (K7V17AA + K8P74AA) Communication Keyboard + Wired Headset *Lync Certified*, Wired, Office/Call center, 0 - 20000 Hz, 98 g, Headset, Black HP UNIFIED COMMUNICATION BUNDEL (K7V17AA + K8P74AA) Communication Keyboard + Wired Headset *Lync Certified*. Product type: Headset. Connectivity technology: Wired. Recommended usage: Office/Call center. Headphone frequency: 0 - 20000 Hz. Weight: 98 g. Product colour: Black