Jabra PRO 920 Mono . with Lifter. The Jabra PRO 920 is a professional entry-level wireless headset designed for use with desk phones. The Jabra PRO 920 offers an attractive crystal clear audio and quality enhancing features such as Jabra SafeTone™ that protectshearing by cutting off loud noises and securing safe averagesound levels. The noise-canceling microphone eliminates unwanted background noise.. . The Jabra PRO 920 is compatible with all leading desk phonesystems. User-friendly voice prompts make set-up a breeze,and the simple and intuitive call-control buttons make iteasy to manage calls while away from your desk.. . PRO 920 Mono:. . . . |Single Earpiece |Wireless Headset |Supports Wideband VoIP Phones |Digital Signal Processing Technology. Enriches Sound Quality |Up To 8 Hours Talk Time |Lightweight |Increased Clarity / Enhanced Security |Up To 395' Range |Reject Incoming Call |Call Hold / Call Wait |Call Answer / End Button |Utilizes DECT 6.0 Technology. - Ensures Call Privacy w/ 64-Bit Digital Encryption. - Provides Top of the Line Audio Quality. - Reduces Interference w/ Other Wireless Devices |Noise-Canceling Microphone |Volume Control w/ Mute Button |Voice Activated