BLE USB Dongle

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{"cid":"164089","pid":"26839823","pimg_url":"\/\/img1.b2bforus.com\/4e\/ac\/7531ee7097e9\/product\/95981905_s-w400xh400.jpg","name":"Easy to Use USB UART CH340 E810-RS485-U01 USB to RS485 Converter Test Board Serial Port Converter for Windows","attrs":{"Price":"$2.97(2 - 99 Pieces) $2.78(100 - 999 Pieces) $2.51(1000 - 4999 Pieces) $2.41(>=5000 Pieces)","MOQ":"2 Pieces","Delivery Time":"Negotiable","Brand":"COJXU"}}