- Zoomswitch phone/headset accessory with mute, - Connect an office headset to phone and computer, - USB connection, - Toggle between computer and telephone at the touch of a button, - Volume control and mute button, - Switch back to office phone calls on the fly by pushing a button, - Make VoIP, Skype, or video chats using wireless office telephone headset, - Listen to online webinars and much moreZMZMS20UC SKU: TDZM-ZMS20-UC