DW Office is a single-sided premium wireless DECT headset. Enjoy your calls in Sennheiser voice clarity and get natural high-definition sound for superior voice clarity. Work safely ensured that the ActiveGard technology will protect your hearing. Imagine making every call in comfort, and being able to focus on what’s important: the conversation. DW Office comes in both dual-connectivity variants (desk phone AND softphone), and single-connectivity variants (desk phone only and softphone/USB only).