110Hrs Charging Dock Base: The office wireless headset supports up to 22 hours for talking in a 1.5-2 hous charging, and the charging base provides an additional 110 hours of playing time, put down and charge, makes charging a breeze; don't worry about running out of battery, if used for 5 hours a day, it can be used for 22 days | 270° Flexible Dual-mic & Mute Function: Voice quality can be enhanced with the Dual CVC 8.0 noise-canceling and 270°adjustable mics, can eliminate up to 99. 6% of noise; The mute function can easily block the sound in your side during a conversation when needed | Wireless 5.0: Built-in latest Wireless 5.0 chipset for fast and stable signal transmission, long-distance connection allows you to flexibly move up to 50 feet/15 meters from your connected device | USB Adapter for Wide Compatibility：With a USB dongle, you can easily connect with computers and other devices; Born for office workers, the HC5 wireless headsets work perfectly for Skype, Zoom, Webex, Facetime, Google Meeting, Cisco WebEx, and softphone communication platforms | Multi-point Connection: You can connect to 2 wireless devices like computers, tablets, and smartphones simultaneously and seamlessly switch between connected devices at will