Simple and Flexible ConnectivityRuns right out of box, a USB plug-and-play setup makes the connectivity to PC. Youcan enjoy a reliable call experience with soft clients. Perfect match with Yealink IPphones give you optimized audio quality. Ultra-lightweight, All Day Wearing ComfortBuilt for comfort with soft ear cushions and ultra-lightweight materials, the UH34/UH34 Lite is 10%~30%* lighter than other headsets in the same range. Its ergonomic design makes this headset comfortable enough for long conference calls andall day use. (* Test data provided by Yealink Lab)Unparallel Audio ExperienceMade for calls and music, UH34/UH34 Lite is kitted out with a high signal-to-noiseratio speaker and independent cavity design. The passive noise cancellation creates a richer and clearer conversations with reduced background noise. Intutive ControllerThe hand-held controller with LED indicator provides easier access to key call control capabilities, including answer call, end call, reject call, and mute/unmute.