IFP7550-2 ViewBoard® 75" 4K Interactive Display Ultra fine touch technology enables real-time response dual-pen writing with a 3mm diameter pen tip 2.1 Stereo sound with a built-in woofer Built-in myViewBoard™ whiteboarding software to collaborate on the go 4-way split screen content sharing with built-in ViewBoard® Cast software SmartPort™ shared front USB ports for internal & external PCs Live Demo Available @ Growel Infotech LLP 302-Shilp Tower, Godown Road, Nrt. Tagore Road , rajkot Mo- 9227776254