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Feature

Can plug either into handset port or headset port
Mute button control to avoid accidental talk into conversation
We offer three extra adapters to be compatible with more telephones
Great use for call center / telephone marketing trainings
Easy to set up, plug and play

Description

Thank you for purchasing our product, please read this manual carefully before using.

Features:
1. 0 loss for signal input & output
2. Standard RJ09 input
3. Two Standard RJ09 output
4. Cable with 11in length
5. Double-call Double-control mute function, used for Call Center, training new staff or monitor

Installing & Operating Instructions:
Connect the headset cable to the headset interface on the device, then both persons can hear the comfortable and pleasant voice and also can speak to each other in the mean while. Press Mute button if you don't want other side to hear you. Press Mute button again if you want to regain call.