Yealink UH34 Lite Mono UC - Headset - On-Ear - Wired - USB - Black - for Yealink SIP-T43, T46, T48, T53, T54, T57, T58, VP59 Group Headsets & Microphones Manufacturer Yealink Manufacturer Item No. UH34 LITE MONO UC Model UH34 Lite Mono UC Model UH34 Lite Mono UC Model UH34 Lite Mono UC Model UH34 Lite Mono UC Model UH34 Lite Mono UC Alink UH34 Lite Mono UC - Headset Product Type Headset - wired - USB compatibility Mac, Windows Recommended use Phone - Communication Color Black Headphone form factor On-ear connectivity technology Wired sound mode mono audio specifications frequency range 20 - 20000 Hz - sensitivity 93 dB impedance 32 ohms max input power 10 mW microphone tree microphone harness microphone technology electret condenser Microphone operating mode Uniformly directed mute button, volume control, answer/end, hold, reject call, redial Designed for Yealink SIP-T41S, SIP-T42S, SIP-T43U, SIP-T46S, SIP-T46U, SIP-T48U, SIP-T48U, SIP-T53, SIP-T53W, SIP-T53W, SIP-T53W, SIP-T53W, SIP-T57W, SIP-T58A,