Jabra Evolve2 40 Mono Engineered to keep you on task 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 mono User Guide (EN)↪ Jabra Pro Evolve2 40 mono User Guide (FR)↪ Jabra Pro Evolve2 40 mono User Guide (DE)