Savi 7220 Duo DECT Headset for desk phones. Connection to the device: EHS adapter, RJ-9. Wearing style: On-Ear, wearing style: Overhead band, wearing mode: Duo. Suitable for office use, Microsoft certification: No. Up to 12 hours of talk time. Fully charged within 3 hours. Conferences with up to 4 headsets. More productivity starts here. The Savi 7200 Office Series are wireless headsets with DECT technology for desk phones. Easy enterprise-wide deployment and seamless compatibility with desk phones. Hands-free working. Provide all office employees with more flexibility, thanks to headsets with a range of up to 120 meters from the base. Offer employees more reliability with up to 12 hours of talk time on a single charge. With the ability to connect up to four headsets to one base, collaboration becomes easier. Create the foundation for convenient, enterprise-wide deployment and ensure everyone feels comfortable. Stylish mono or binaural options with headbands make it possible. An adjustable headband is perfect for all head sizes. Users benefit from a flexible microphone arm and adaptive DECT power supply that automatically adjusts signal strength to save power. Easier integration. The Savi 7200 Office Series headsets are compatible with numerous Poly phones. Additionally, you and your teams can rely on the simple and immediate integration of over 800 analog and IP desk phones from leading manufacturers in the industry. Say yes to the all-in-one solution for headsets and desk phones. Adaptive DECT power supply. Optimize range, save energy, and enhance space utilization with an adaptive DECT power supply that automatically adjusts radio signal strength based on distance from the base.