The Yealink UH34L UH34L-D-UC is a wired binaural headset offers a lightweight form factor that is comfortable to wear, even for an entire workday. It is 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. The Yealink UH34L is built for comfort with soft ear cushions and ultra-lightweight materials. It is 10%~30% lighter than other headsets in the same range. Connects to: Yealink IP Phone, PC How Does it Connect: USB CONDITION Brand New - A brand-new, unused, unopened, undamaged item in its original packaging. WARRANTY This item comes with a 24-month manufacturer's warranty. FEATURES • Foam 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 QUICK SPECIFICATIONS • Product Type: Headset - wired • Recommended Use: Computer General - Headset cable length: 1.2 m (from headset to call control unit) - USB cable length: 0.9 m (from call control unit to USB plug) - Supported operating systems: Microsoft Windows® 7/8/8.1/10, Apple Mac OS - Colour: Black - Storage temperature: -30 °C to +70 °C - Operating temperature: -10 °C to +50 °C Microphone - Microphone type: Uni-Directional ECM - Microphone frequency response range: 100 Hz-8 kHz - Microphone bandwidth: Wideband - Microphone sensitivity: -44.0 dB re. 1 V/Pa Speaker - Speaker size: 28mm - Speaker sensitivity: 93 dB SPL @1 kHz - Speaker frequency response range: 20 Hz-20 kHz - Speaker impedance: 32?, @1.0 kHz - Speaker input power: max 10 mW - Speaker bandwidth: Wideband Easy Call Management - Answer/End/Reject/Hold a call - Volume up/down - Microphone mute - Redial last outgoing call • USB connectivity to Yealink IP phones including: T41S/T42S/T46S/T48S/T42U/T43U/T46U/ T48U/T53/T53W/T54W/T57W/T58A/VP59 (T41S/ T42S/T46S/T48S should be upgraded to version 82 or higher) WHAT'S INCLUDED • Yealink UH34L Wideband Noise-Cancelling Binaural USB Headset UH34L-D-UC • Foamy ear cushions • User guide