SWB-1 wireless discussion system functions includes discussion,camera tracking and voting. (1) Suitable be used in different kinds of meeting. (2) Easy to be installed,do not need to drill any hole on the table,do not need to connect the cable between the microphones. (3) High security,can be prevent the signal interference. (4) Chairman microphone/delegate microphone:smart european design ,2 inch LCD for showing the operation modes clearly. (5) 5 microphone units can be switched on (e.g. 4 delegates and 1 chairman),5 audio channels can be transmitted to the microphone units. (6) SWB-1 wireless discussion system can support 50 units, can be used for different size of the meeting.