Jabra EVOLVE 30 II MS Stereo (5399-823-309) Jabra Evolve 30 II MS Headset Duo (5399-823-309) Application - Notebook, PC, Smartphone Headset type - Binaural Fit - On-ear Connection - Wired Connectors - 1 x USB Type-A, 1 x 3.5 mm audio male Noise-cancellation (NC) - Yes Active noise-cancellation (ANC) - No Certified for - Skype for Business, Microsoft Teams Weight - 0.171 kg