7inch paging microphone 7-inch color IPS touch screen, resolution: 1024 × 600 Support real-time broadcasting, speaking, or playing media library files on specified partitions or terminals One or more terminals can be selected, and shortcut keys can be set to broadcast, up to 6 shortcut options (F1 to F6) can be defined 1-channel gooseneck microphone audio input, 1-channel 4-segment 3.5 mm audio input 1-channel local speaker audio output, 1-channel 3.5 mm audio output Support logging in through an account and password Support parameter setting, account management, system maintenance, and other operations Support long press (for 3 seconds) one-key emergency call to emergency call designated terminals or all terminals