UNLIMITED BATTERY TALK TIME: With a second battery that charges at all times, you'll have unlimited battery talk time for professionals with heavy phone use! ALL DAY COMFORT: Includes a headband, ear hook and neckband for you to choose your preferred wearing style LONG RANGE: Walk and talk in your office hands free with a wireless range rated up to 590 feet SEAMLESS CONNECTIVITY: Out of the box, connect the Savi 8245 to your desk phone, mobile phone or computer for an all in one communication solution PEACE OF MIND: You're covered with a 1 year advanced replacement warranty for peace of mind (Warranty, service and support is covered from seller NOT manufacturer) The Plantronics Savi 8245 wireless headset system is built for professionals with heavy phone use. With a spare battery compartment, the Savi 8245 allows a second battery to charge at all times for unlimited battery talk time. Seamless connectivity to your desk phone, mobile phone and computer will also allow you to use one headset for all your applications!