The Jabra Pro 920 is an affordable, straightforward headset and base set that's compatible with virtually any desktop phone system. It uses DECT 1.8 wireless technology for a clear signal combined with freedom of movement. The comfortable headband design features a fixed boom microphone and a rechargeable battery for up to 8 hours talk time. Other handy features include a mute function, Electronic Hook Switch for answering and ending calls directly from the device and conference call functionality for multiple users.