The Yealink UH37 Dual Teams wired headset for professional use offers a lightweight and comfortable wearing experience paired with good audio quality. Dual noise-cancelling microphones Integrated busylight Call and music modes Works with all popular UC platforms and readily connects with Yealink IP phones. Compatible with Yealink T41S/T42S/T46S/T48S/T42U/T43U/T46U/T48U/T53/T53W/T54W/T57W/T58A/VP59. (an upgrade to version 82 or later is recommended for T41S/T42S/T46S/T48S)