Yealink Headset 1308085 UH38 Dual Teams Battery USB-C Wired with

Yealink Headset 1308143 UH37 Mono UC USB-C A Headset

Yealink Part# 1308143

Headset/Headphone Accessories – Headset - Over-the-head - Monaural - 1.38" Driver Size - 20 Hz Minimum Frequency Response - 20 kHz Maximum Frequency Response - Boom - Black - Black - Wired - Supra-aural - Voice Call - Music - Remote ...