Poly Savi 7200 Office Series Help everyone be more productive with the Savi 7200 Office Series of DECTTM wireless headsets for desk phones. Give workers more flexibility and confidence with up to 120 m/ 400 ft of roaming range and up to 12 hours of talk time after each charge. Make company-wide deployment easy and keep everyone comfortable with over-the-head mono or binaural style options and an adjustable headband. These cost-effective headsets are compatible with over 800 analog and IP desk phones. Say hello to your one-stop shopping solution for headsets and desk phones. Features: Give workers more flexibility and hands-free productivity with a roaming range of up to 120 m / 400 ft from the headset base Build in more confidence on every call with up to 12 hours of talk time with each charge Collaboration is easier with conferencing of up to 4 headsets on one base Provide the peace of mind that comes from knowing headsets are always fully charged with the headset docking charge indicator Specifications: Talk time Up to 12 hours Headset wireless range up to 120 m / 400 ft Battery Capacity 250 mAh Battery Type Rechargeable lithium ion polymer, technician replaceable. Charge Time 3 hours Wireless technology DECT™ Receive frequency response Narrowband mode: 300-3300Hz, Wideband Mode: 100–6800 Hz Hearing protection SoundGuard DIGITAL: protects against sound levels above 118dBA; G616 anti-startle detects and eliminates any large sudden increase in signal level; Time-weighted average prevents average daily noise exposure from exceeding 85dB. Microphone and technology Noise canceling Weight S7210 D (Monaural) - 109 g / .24 lbs, S7220 D (Binaural) - 138 g / .30 lbs. Call controls Call answer/end, mute, volume +/-, power on/off Warranty Global 2 year warranty Models Savi 7220 Office, Binaural (P/N ) Savi 7210 Office, Monaural (P/N )