JYXCN 65" 4K IR Touch Smart Board Dual OS Android Control & Wireless Casting for Classroom, Research Institute and Presentation(Include Wall Mount)

【Dynamic Brainstorming Made Easy】20-point multi-touch, high-definition touch screen display, enabling real-time editing and sharing by multiple people and multiple devices.The ultra-sensitive touch system provides 4ms response time and ±1mm accuracy, ensuring no lags, just smooth,accurate writing whether you're sketching or annotating JYXCN