You're the supervisor trying to listen in on an agent's call without them knowing, or you're training a new starter and need both of you on the same line. This cable splits one PC connection into two QD headset ports. Agent gets the longer cable. You get the shorter one. You can join the conversation or stay muted and just listen. Also works as a USB-to-QD adapter if you only need one side. Ideal for hot-desking setups where the port's on the desk, not the PC tower
| brand | Yealink |
| type | Trainer cable / USB-QD adapter |
| compatible_series | YHS |
| function | Dual headset split or USB-to-QD adapter |
| supervisor_mode | Join or mute-and-listen |
| cable_configuration | Shorter supervisor cable, longer agent cable |
| use_case | Call centre training, hot desking |
| category | VoIP Devices & Accessories |