usb2 0 interface smart digital blackboard

{"cid":"91220330","title":"65 Inch 4K Smart Digital BlackBoard With 4GB RAM 64GB Storage USB2.0\/3.0 Interface","imgUrl":"https:\/\/img.ismap.com\/nimg\/ae\/2e\/497d2bf5ee3cd4033c36e7c8617c-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"MTHGH","Model Number":"XYC-65","Minimum Order Quantity":"1 Set","Delivery Time":"7-10 work days","Place of Origin":"China","Certification":"CE FCC","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"10000 Set","Packaging Details":"Standard carton package : carton+ plastic bag+ foam+ honeycomb paperboard+ pack thread.","Product Name":"65\" Intelligent Black Board","Resolution":"3840*2160@60Hz","Screen Size":"65 Inch","Brightness":"350cd\/m2","Smart Blackboard Size":"65 Inch 4K Flat Writing Panel","Interface":"USB2.0\/3.0","Storage":"64GB","Ram":"4GB","Contrast Ratio":"1200:1","Touch Technology":"Nano Film","Chalk Writing":"Support","Dual System":"Support","Multi User Support":"Yes","Application":"School Teaching, Meeting"}}

{"cid":"91220425","title":"Support IOS TCHD Av Dv USB2.0 Capture Card For Live Streaming S Video Input","imgUrl":"https:\/\/img.ismap.com\/nimg\/0f\/15\/0331da3266a2057642b5e14fe86f-200x200-1.jpg","attrs":{"Price":"$25.00 - $29.00\/pieces","Brand Name":"TCHD","Model Number":"U100Pro","Place of Origin":"Beijing, China","Packaging Details":"Carton box","Supply Ability":"500 Piece\/Pieces per Month","Product name":"TCHD av dv USB2.0 capture card for live streaming","Input":"AV, S-video, RCA","Output":"USB2.0","Support OS":"Windows7\/8\/10, IOS, Android","Resolution":"720P max","Product type":"Free driver","Feature":"Plug and play","Application":"Live streaming,video conference,game capture","MOQ":"1 piece","Cable length":"80cm(USB), 7cm(Video\/Audio)","Port":"Beijing"}}

{"cid":"91152461","title":"USB AM TO MICRO BM ADAPTER FOR MOBILE CONVERTER ,ADAPTER FOR SMART PHONE","imgUrl":"https:\/\/img.ismap.com\/nimg\/9a\/1f\/35f15a7e74cd7e7096519dfbb906-200x200-1.jpg","attrs":{"Brand Name":"Linkelec","Model Number":"GW-AD20AM2MCM","Minimum Order Quantity":"500pcs","Delivery Time":"5-7days","Place of Origin":"China","Certification":"UL,CE,ROHS,FCC","Packaging Details":"Polybag \/ blister&card","Payment Terms":"T\/T ,West union,paypal","Supply Ability":"50000pcs\/week"}}