Improve Collaboration: Move freely around the office building, up to 590 feet with line of sight, while still being connected to your communication systems. Upgrade: Add in a 3rd connected device with purchase of a Sennheiser USB dongle to have the ultimate technology hub. Cloud-based: Sennheiser Headset up Pro Manager puts IT managers in control of all Sennheiser devices and manages assets, updates, and configurations. Peace of Mind: With a 2-year on all headsets (including batteries), you never have to worry about the quality of your office headset. Active Gard Technology: Featuring patented hearing protection to defend against acoustic shock caused by sudden sound bursts. Fluid Conferencing: Connect up to 4 wireless Sennheiser headsets or wired headsets to a single 5015 base station to make conferencing as simple as it should be. Advanced Security: This hands-free office headset keeps all conversations confidential with 128-bit authentication and DECT Security certification. Enhanced Clarity: With Super Wideband sound & ultra noise-canceling technology, this business headset provides crisp, natural sound for crystal-clear conversations. Dual Connectivity: Connects to a computer and a desk phone to allow users to choose their own constellations. Meets Challenges: Our hub improves modern workplaces by providing a communication tool that exceeds users’ expectations for dual-device usability and premium security.