The Savi 7420 is designed for the modern office with high density, multiple connectivity options and advanced security features. Deploy this headset across the company so everyone will benefit from increased productivity and wireless freedom. Features: - Microsoft Teams-certified - Binaural - Noise cancelling microphone with Poly Acoustic Fence technology - Conference up to 4 headsets on one base - Designed to fulfil DECT Security Step C standards -- The highest level of security as defined by the DECT Forum - Up to 13 hours talk time - Up to 52 hours standby time - Fully charged within 2 hours