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 Leitner 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 U.S. manufacturer, Leitner Headsets. UNIBASE CONFERENCING TECHNOLOGY – Allows you to merge your phone, computer, and Bluetooth calls. With the press of a button, combine any two sessions instantly! (Also makes training remote employees a breeze.). BLUETOOTH/COMPUTER/LANDLINE PHONE HEADSET – This wireless telephone headset connects to landline telephone, PC and Bluetooth devices. Easily switch between them with the press of a button. Take your headset up to 350 FT away from the charging base with UltraRange technology. 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.