The Yealink UH34/UH34 Lite, available in monaural (UH34/UH34 Lite Mono) and binaural (UH34/UH34 Lite Dual), is a professional USB wired headset with crystal clear audio. The UH34/UH34 Lite offers a lightweight form factor that is comfortable to wear, even for an entire workday. It's suitable for workers who spend a lot of time wearing headsets for voice communications. Provided with Yealink USB Connect software and Yealink Device Management Platform/ Cloud Service, you are easy to check the device information and upgrade the firmware of one or multiple UH34/UH34 Lite headsets.Simple and Flexible ConnectivityRuns right out of box, a USB plug-and-play setup makes the connectivity to PC. You can enjoy a reliable call experience with soft clients. Perfect match with Yealink IP phones 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 and all day use.Unparallel Audio Experience Made for calls and music, UH34/UH34 Lite is kitted out with a high signal-to-noise ratio speaker and independent cavity design. The passive noise cancellation creates a richer and clearer conversations with reduced background noise.Intuitive Controller The hand-held controller with LED indicator provides easier access to key call control capabilities, including answer call, end call, reject call, and mute/unmute.