Armor up with Savi 8240 Standard Office Series to keep conversations private. The ultra-secure DECT bluetooth wireless mono headset is the perfect choice for financial, medical, government and contact centers or anywhere sensitive conversations happen. Relax knowing calls are protected—it's designed to meet the highest-level DECT security Step C, with military grade 256-bit AES encryption for maximum security. Combined with Poly Acoustic Fence technology and Microsoft Teams Open Office spec, conversations always stay clear, private and protected. And with up to 2x better density than other DECT headsets, interference isn't a thing -Choice of wearing styles, including the 3-in-1 convertible options for headset - Up to 2x more density than other DECT headsets - Noise-canceling microphone with Poly Acoustic Fence technology - Up to 590 ft/180 m line-of-sight range - Talk time: up to 7 hours - Charge time: Three hours full charge IN THE BOX:✅ Poly Savi 8240 Standard Bluetooth Wireless DECT Headset ✅ Global-Teck Microfiber Cloth **** Recommended for Professionals using desk phone and PC communications, VoIP softphones. The Poly Savi 8240 Standard is designed to work with a wide range of platforms and voice applications including: RingCentral, Teams, Fuze, 8x8, Zoom, Google Hangouts, GoToMeeting, Vonage, Unify, BlueJeans, Amazon Chime, etc