Main FeaturesPlug-and-playUSB 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)HD Voice/Wideband speaker performanceNoise-canceling microphone and passive noise cancellationActiveProtection technology safeguards users from acoustic injuryIntegrated LED indicator and warning tone320° bendable boom arm for easy adjustment without breakingOptional connections for UH34USB-C, 3.5mm jackGeneralHeadset 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 systemsMicrosoft Windows® 8/8.1/10, Apple Mac OSColorBlackWeight118Storage temperature -30 °C to 70 °COperating temperature -10 °C to 50 °CMicrophoneMicrophone typeUni-Directional ECMMicrophone frequency response range100 Hz-8 kHz Microphone bandwidth WidebandMicrophone sensitivity-44.0 dB re. 1 V/PaSpeakerSpeaker size28mmSpeaker sensitivity 93 dB SPL @1 kHzSpeaker frequency response range 20 Hz-20 kHzSpeaker Impedance 32Ω, @1.0 kHzSpeaker Input Powermax 10 mWSpeaker BandwidthWidebandEasy Call Management Answer/End/Reject/Hold a callVolume up/downMicrophone muteRedial last outgoing call
