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. Adopt anti-interference circuit design to 
									prevent interference from electronic 
									products such as mobile phones
									8. 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.
									9. Sensitive touch switch, the pattern is 
									always bright green when standby, the 
									pattern is always bright red after pressing
									10. With a 2.23-inch high-brightness 
									full-view OLED display, 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
									11. Microphone with speaking timing function
									12. The microphone unit has a headphone 
									output port and a volume adjustment button, 
									which can freely select the output mode and 
									adjust its volume
									13. "Hand in hand" connection method, 
									support hot plug, easy installation and 
									maintenance
									14. speaking unit can apply for tea, coffee, 
									paper, pen, service personnel and other 
									services
									15. The chairman unit has the function of 
									approving the speech request of the 
									delegate;
									16. The chairman unit is not limited by the 
									number of speakers;
									17. The chairman unit has the priority 
									function of controlling the order of the 
									conference;
									18. The connection position of the chairman 
									unit is not restricted;
									19. The chairman unit can initiate sign-in, 
									voting, voting, election and other 
									functions;
									20. A system can support the use of multiple 
									chairman units at the same time.