push pull blackboard for training classes

{"cid":"91199486","title":"High quality Multimedia Push-pull Blackboard For Office Use Multimedia Push-pull Blackboard For School Teaching Use Multimedia Push-pull Blackboard For Training And Classes Use","imgUrl":"https:\/\/img.chinax.com\/nimg\/24\/be\/c19eba9591e8f87575d5d7916c7f-200x200-1.jpg","attrs":{"Price":"USD320-450 per set","Brand Name":"iBoard","Model Number":"IB-69","Minimum Order Quantity":"2 pcs","Delivery Time":"10-20 days","Certification":"CCC, CE, FCC, RoHS","Place of Origin":"Shenzhen, CHINA","Payment Terms":"T\/T","Supply Ability":"6000 units per month","Packaging Details":"Carton Package","Effect Touch Object Size":">8mm","Touch Method":"finger or any opaque objects","Positioning Accuracy":"<2mm","Connecting Port":"USB2.0 USB3.0","Operating System":"Windows","Power Supply":"AC 100-240V, 50\/60Hz","Storage":"Temperature: -30\u00b0C~60\u00b0C Humidity: 0%~95%","Operation":"Temperature: -10\u00b0C~45\u00b0C Humidity: 10%~90%","Color":"Black, other colors optional --Grey,Silver\/Black","Hotkey":"with hotkeys for side boards","Name":"Digital boards Smart interactive boards","Folded":"Optional","Type":"Smart Recordable boards for school","Size":"fit for 75 inch IFPD, 86\/98 inch available","Touch points":"single touch Points","Application":"School Teaching, Classroom Education, Presentation","Warranty":"3 years","Accuracy":"2mm","Installation":"Wall mounted, mobile stand (optional)","Side boards":"Green boards for chalk, Whiteboard for marker"}}

{"cid":"91220330","title":"86 Inch Push Pull Digital Chalk Board Smart Magnetic For Education Training","imgUrl":"https:\/\/img.chinax.com\/nimg\/3b\/d8\/9c7fa5d46b29f15449842038a968-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"MTHGH","Model Number":"XYC-86","Minimum Order Quantity":"1 Set","Delivery Time":"7-10 Work Days","Certification":"CE FCC","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"10000 Piece","Packaging Details":"Standard carton package : carton+ plastic bag+ foam+ honeycomb paperboard+ pack thread.","Product Name":"Smart Digital Blackboard","Brightness":"\u2265450cd\/\u33a1","Resolution":"3840*2160","Screen Size":"86 Inch","Aspect Ratio":"16:9","Application":"Education\u3001Training\u3001Office","Type":"Blackboard","Panel touch points":"infrared 40 touch points","Operating system":"Windows11 or Android13"}}