1. Comply 
									with IEC60914, GBT15381-94 international 
									standards
									2. Patented design, overall high-grade and 
									solemn, modern aesthetic standards
									3. The unit is powered by the system host. 
									The input voltage is 24V, which is a safe 
									range.
									4. Unit with 8-core wire interface adopts 
									T-type 8-core connection, and the wire is 
									shielded by full-line aluminum foil, which 
									greatly reduces the interference of strong 
									electromagnetic waves on the wire
									5. The unit of the network cable interface 
									adopts super cat-6 network cables, "hand in 
									hand" cable connection mode, with two RJ45 
									interfaces t
									6. Professional high-fidelity capacitor 
									microphone, sensitive pickup, clear voice, 
									bandwidth up to 20Hz ~ 20KHz
									7. The die-cast aluminum alloy multi-diamond 
									square microphone is connected to the 
									microphone base through a fixed connector, 
									and the pitch angle can be adjusted. The 
									overall stability is high-end atmosphere
									8. Build-in an electret main microphone and 
									a backup microphone both with hypercardioid 
									polar pattern. In case the main microphone 
									system malfunctions, the backup microphone 
									system can take over to ensure an 
									uninterrupted meeting flow
									9. Adopt anti-interference circuit design to 
									prevent interference from electronic 
									products such as mobile phones
									10. The microphone head has a two-color 
									speaking light ring, the light ring is 
									always red when the unit speaks, and the 
									light ring is always green when the unit 
									requests to speak.
									11. The microphone switch and touch screen 
									adopt an integrated touch mirror, no 
									mechanical button sound, long life, and 
									waterproof function
									12. Sensitive touch switch, the pattern is 
									always bright green when standby, the 
									pattern is always bright red after pressing
									13. With 3.5-inch capacitive touch screen, 
									the display content is clear, can display 
									the voting, voting mode, unit parameters, 
									date and time, speaking volume, monitoring 
									volume, etc. that are being operated, and 
									clearly understand the current using 
									situation
									14. Microphone with speaking timing function
									15. The microphone unit has a headphone 
									output port and a volume adjustment button, 
									which can freely select the output mode and 
									adjust its volume
									16. "Hand in hand" connection method, 
									support hot plug, easy installation and 
									maintenance
									17. speaking unit can apply for tea, coffee, 
									paper, pen, service personnel and other 
									services
									18. The chairman unit has the function of 
									approving the speech request of the 
									delegate;
									19. The chairman unit is not limited by the 
									number of speakers;
									20. The chairman unit has the priority 
									function of controlling the order of the 
									conference;
									21. The connection position of the chairman 
									unit is not restricted;
									22. The chairman unit can initiate sign-in, 
									voting, voting, election and other 
									functions;
									23. A system can support the use of 
									multiple chairman units at the same time