The Yealink UH34-D-UC Dual-Earpiece Wired Headset is suitable for workers who spend a lot of time wearing headsets for voice communications. Runs right out of the box, a USB plug-and-play setup makes the connectivity to PC. Made for calls and music, UH34 is kitted out with a high signal-to-noise ratio speaker and independent cavity design. The passive noise cancellation creates a richer and clearer conversation with reduced background noise. The Yealink UH34-D-UC features a hand-held controller with LED indicator that provides easier access to key call control capabilities, including answer call, end call, reject a call, and mute/unmute. Connects to: 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 • 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 QUICK SPECIFICATIONS • Product Type: Headset - wired • 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) • Color: Black • Weight: 118 g • Storage temperature: 30 °C to +70 °C • Operating temperature: -10 °C to +50 °C • 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 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 WHAT'S INCLUDED • Yealink UH34 Dual-Earpiece UC USB Wired Headset UH34-D-UC • Leather ear cushions • User Guide