Poly Savi 8240 MS Teams Office Headset Monaural DECT headset for desk phones, PC/notebook and mobile phone/smartphone Three different wearing styles: Ear hook, neckband and headband Noise-cancelling microphone filters background noise SoundGuard DIGITAL: protects against sound levels above 118 dBA; G616 anti-startle (during calls) detects and eliminates any large sudden increase in signal level Cool control on headset: Call answer/end, mute, volume control Talk time: up to 7 hours Standby time: up to 30 hours Range: up to 180 m (line of sight), up to 55 m (typical office range) Charge time: 3 hours Optimised for Skype for Business / Microsoft Teams