wireless presentation system usb transmitter dongle

{"cid":"91199486","title":"Portable Wireless Presentation Screen Share Mirroring Transmitter Electronic PAPA Clicker Device Wireless Adapter","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/28\/b8\/56c119d4a8ea6e4fd5c9f1a158f1-200x200-1.jpg","attrs":{"Price":"USD60-80 per piece","Brand Name":"iBoard or OEM","Model Number":"TE-PTB1205","Minimum Order Quantity":"10","Delivery Time":"30 days","Certification":"CCC, CE, FCC, RoHS, Reach, OHSAS, ISO9001, ISO14001","Place of Origin":"Shenzhen, CHINA","Payment Terms":"T\/T, L\/C","Supply Ability":"10000 units per month","Packaging Details":"Carton Package","application area":"Business, teaching","WiFi band":"5.8g\/2.4g dual frequency","Actual bandwidth":"480m bandwidth","Typical value of mouse delay":"\uff1c55ms","Average breaking rate":"\uff1c 1 time \/ 12 hours","transmission distance":"\uff1e20m@1080P","Input resolution":"1024\u00d7768-1280\u00d7720-1920\u00d71080","Carrying capacity":"8 WiFi terminals","Windows":"Windows7\/Windows8\/Windows8.1\/Windows10","Android":"Android 4.4.2 and above","iOS":"IOS 9.0 and above","Mac OS":"Mac OSX 10.6\/10.7\/10.8\/10.9\/10.14","IOS 9.0 and above video lossless transmission":"Maximum 1080p video source","transmission mode":"Mirror mode\/Push mode","Preemptive function":"Except that two IOS devices cannot preempt each other, all devices can preempt each other","Touch back":"Ten touch return","System upgrade":"Remote upgrade over Internet Network","Interface preset":"Yes","Aspect Radio":"16:10, 16:9...","Interface":"USB, VGA, RS232, HDMI","Screen Size":"65\",75\",86\", 98\"","Multi-Touch":"Up to 40 points","Hotkeys":"Two sides hotkeys","Shipping Way":"Sea Shipping Air Freight Truck Freight","Touch Points":"20 points","Warranty":"1 year","Power Supply":"AC 100-240V, 50\/60Hz","Operation System":"Andriod\/Windows\/Linux\/Mac.etc.","Accuracy":"2mm","Mobile Stand":"Optional","Colors":"Black Or OEM"}}

{"cid":"91198502","title":"Projector Parts K32 Intelligent Wireless Presenter For TV Computer Projector Ipad Display","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/3c\/8e\/3e8200a1c5794d681db0f11463b2-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"Quattropod","Model Number":"K32","Minimum Order Quantity":"1 piece","Delivery Time":"1-7 work days","Place of Origin":"China","Payment Terms":"Western Union, T\/T, L\/C","Supply Ability":"10000 pieces per year","Packaging Details":"carton box","Warranty":"1 year","Packing":"carton","Product name":"K32 interactive wireless displayer","In stock":"available","Shipping terms":"By sea by air international express","color":"Black","Application":"most of displayers","Support":"Apple mobile\/tablet\/Pc\/Android\/ipad","Transmitter":"HDMI\/USB\/TYPE-C is optional"}}