55/65/75/100 inch multimedia teaching conference all-in-one educational tablet electronic whiteboard touch monitor

55"/65"/75"/100" All-in-one teaching conference machine    All-in-one teaching conference machine is used for intelligent all-in-one machine, electronic whiteboard, remote conference. It can be multi-touch, intelligent annotation, wireless screen, scan and save, anti-fingerprint screen, multi-screen interaction, 4K high-definition screen, dual-system switching. Integrate six major functions Multi-use, build diversified intelligent office, integrating computer, TV, stereo, tablet, projector and writing whiteboard. Interactive teaching and interest cultivation Combining sound, pictures, animation and video to create an interesting teaching context and stimulate students' desire for knowledge. Multi-touch Multi-person Q&A Smooth touch writing experience, multiple people can write at the same time, multiple gesture operation, easy and convenient Anytime, Anywhere Video Conferencing Powerful remote video conferencing feature allows you to work remotely from anywhere (camera sol