【Wide Compatibility】Yealink RJ9 headset direct connects landline telephone, widely compatible with a couple of brands of desk VoIP phones, such as Yealink Desk Phones T2x/T3x/T4xG/T4xS/T4xU/T5x/VP/Teams MP/SFB MP/Teams T5/SFB T5, Poly VVX x01/x10/x50, SNOM D3xx/D7xx, and Grand stream GRP/GXP/GXV. *Please refer to Yealink Headset Compatibility List- h/t/t/p/s://beef up.yealink.com/en/portal/compatible
【HD Voice】This YHS34 administrative center phone headset is kitted out with wideband HD audio technology and passive noise cancellation that ensures a richer and clearer conversations, removes background noises as well. You’ll be in contact with other people clearly, especially suitable for noisy work environments such as call centers.
【111g Super Lightweight】The uni-body design call center headset is design with foam ear cushions for all-day comfortable wear, which is 10%~30% lighter than other professional headsets in the similar range.
【Quick-Disconnect】The QD-RJ9 cable provides a good way to step away from the landline phones without disconnecting the call or even disposing of your headset.
【Made for Calls】Smooth adjustable headband fits for different head sizes, 330° rotatable microphone boom lets you put the mic arm on either side when no in use.