4k 55-inch LED Conference Room Interactive Whiteboard

1. Industrial-grade body: beautiful and durable Aluminum alloy sandblasted anodized frame: wear-resistant and corrosion-resistant, with improved texture and strength Iron shell back cover + active heat dissipation: efficient heat conduction, 7×24 hours stable operation 2. Visual touch dual upgrade 4mm tempered explosion-proof glass: impact resistance, high light transmittance, sensitive touch response 10-point infrared touch: 8ms low latency, smooth multi-person annotation, restore real writing 3. Ultra-narrow edge minimalist design Single-sided 22mm sandblasted frame: screen-to-body ratio 92%, immersive interactive experience 4. Modular and convenient operation and maintenance OPS slot: integrated plug-in, no exposed wiring, tool-free upgrade and maintenance 5. Front function integration Dual PC-USB interface: front expansion, plug and play Three-in-one button: one-button mode switching, 50% simplified operation path Remote control window: hidden design, convenient control 6. Acousti…