Product Details The Yealink YHS34-M is an over-the-head style headset that is ideal for office workers, SOHO, or calls centre staff. Runs right out of the box, a QD to RJ9 plug-and-play setup makes the connectivity to Yealink IP phones simple and easy. The Yealink YHS34 is kitted out with a high signal-to-noise ratio speaker and independent cavity design. Passive noise cancellation creates a richer and clearer conversation with reduced background noise. This headset is built for comfort with soft ear cushions and ultra-lightweight materials. Product Features • Soft leather earpiece • RJ9 plug-and-play • HD Voice/Wideband speaker performance • Noise-canceling microphone and passive noise cancellation • Active Protection technology safeguards users from acoustic injury • 330° bendable boom arm for easy adjustment without breaking • QD to RJ9 plug-and-play setup makes the connectivity to Yealink IP phones Specifications • Product Type: Headset - wired • Headset cable length: 0.9m • QD to RJ9 cable length: 1.2m • Color: Black • 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: 32Ω, @ 1.0 kHz • Speaker input power: max 10 mW • Speaker bandwidth: Wideband • Plug-and-play - RJ9 connectivity to Yealink IP phones: including T19(P) E2/T21(P) E2/T23P/ T23G/T27G/T29G/T30/T30P/T31/T31P/T31G/T33P/T33G/T40P/T40G/T41S/ T42S/T46S/T48S/T42U/T43U/T46U/T48U/T53/T53W/T54W/T57W/T58A/ VP59/T41S SFB/T42S SFB/T46S SFB/T48S SFB/T55A SFB/T56A SFB/T58A SFB/MP56 WHAT'S INCLUDED • Yealink YHS34 Noise Cancelling Monaural QD to RJ9 Headset YHS34-M • QD to RJ9 cable • Leather ear cushions • User Guide