FREE 5-YEAR WARRANTY AND UNLIMITED SUPPORT – That’s 5 times the warranty of most competitor wireless headsets! The warranty covers the battery too, ensuring your headset will last. Leitner Headsets' live US-based support is ready for any questions, inquiries or fine-tuning of your wireless work headset. Warranty is guaranteed direct from manufacturer, Leitner Headsets. 10X LONGER RANGE THAN BLUETOOTH – This wireless office headset uses DECT 6.0 Level A wireless technology, not Bluetooth, which means you have up to 350 feet of wireless range. Stretch your legs, grab coffee, or fold laundry while staying connected. DEVICE FLEXIBILITY & SOFTPHONE HEADSET - The LH475 wireless headset is ideal for remote work, online meetings, virtual collaboration, and VoIP phone systems, as it works seamlessly with Microsoft Teams, Zoom, and other popular platforms. Use it in the office or on the go, as a USB, tablet, desktop, or laptop headset. Compatible with both USB-C and USB-A connections, but not compatible with cell phones. ULTRA NOISE-CANCELING MICROPHONE – Filters out 90% of all background noise so your callers will hear you and only you. Noisy co-workers, crying babies, and loud lawnmowers are things of the past! Check out the sound demo in the videos section of our listing. LEITNER FOCUSLIGHT - Say goodbye to unwanted interruptions. The glowing LED ring makes it obvious when you’re on a call, whether you’re at your desk or grabbing a cup of coffee.