Jabra Evolve2 40 Stereo Professional headset Jabra USB-A wired Mono headsetNoise isolating designBusylight visible from all anglesSoft memory-foam cushions for all-day comfort assignmentDatasheets↪ Jabra Pro Evolve2 40 Datasheet (EN) library_booksUser guides↪ Jabra Pro Evolve2 40 Stereo User Guide (EN)