Serene Innovations RCx-1000 Air Switch

Control the functions of the RCx-1000 Remote Control Speakerphone by blowing into the sensor. Plug the Air Switch into the back of the RCx-10000 or the remote control.

Features:

• Mic sensitivity control
• 3.5mm mono plug
• 2 AA batteries for 8-12 months of use (included)