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. Features - USB-C & 3.5mm Jack - Soft leather earpieces - USB Plug-and-play - HD Voice/Wideband speaker performance - Noise-canceling microphone and passive noise cancellation - ActiveProtection technology safeguards users from acoustic injury- Integrated LED indicator and warning tone - 330° bendable boom arm for easy adjustment without breaking