Speechmike Premium Air Extra Docking Station ACC4000By adding another ACC4000 docking station to your SMP4000 wireless Speechmike Pre,you are able to easily transition from one computer to another without the hassle of dealing with cords. You simply place a docking station at each computer you work from and place the speechmike into the dock for about 1 second for the automatic pairing process to take place. You can then take pick up the device and use it freely at that workstation. This is also a