This Bundle Includes: 5x Poly (Plantronics) Savi 8220 Office Wireless DECT Headset System - Dual Ear - Teams Certified, USB Type-A Cable, Goby Labs Headphone Cleaner, Fiber Cloth. Provides up to 580 ft of wireless range; supports both DECT 6.0 and Bluetooth 4.2, with an all-in-one charging base offering 3-way connectivity (PC, mobile phone, desk phone).. Delivers hi-fi stereo sound with advanced noise-canceling microphones and a flexible boom for clear voice capture and minimal background noise; includes close conversation limiting for privacy.. Features an adaptive power system that shifts to low power mode when near the base, delivering up to 13 hours of talk time; integrated voice alerts notify you of mute status and out-of-range conditions.. Built for unified communications with DECT security certification; offers one-touch call controls, robust ringer with adjustable volume, and is compatible with leading UC platforms like Avaya and Cisco.