Here is the Manual https://www.headsetsdirect.com/wp-content/uploads/2018/04/w440_ug_en.pdf

I have just started using the Savi 440 rf mic on Office Hours. It sounds like a 90s phone headset. But if you’re working on the web and want the freedom to walk around your home or office, you can’t beat the range of this headset. This is a […]