Jabra Evolve 65 TE MS Stereo Wireless Bluetooth Headset w/ Charge Stand - Includes Link 380A Dongle - Speaker Size: 28mm - Frequency Range: 150Hz - 6800Hz - On-Ear Headband - Connectivity: Bluetooth, USB - Operating Range: Up to 30m - Battery Time: Up to 16 Hours Talk-Time, Up to 15 days Standby Time - Charge Time: Max. 120 minutes - Microsoft Teams Certified - 6699-833-399