QoS For TP-Link router

{"cid":"72975","pid":"17557053","pimg_url":"\/\/img1.tradegrowthhub.com\/d3\/c6\/64936daa03f4\/product\/53064960_s-w400xh400.jpg","name":"Tp-Link Router TL-WR841N TPLINK WR842N Dual Antenna 300Mbps Home Smart Home Wifi Radio USED English","attrs":{"Price":"$10.50(5 - 29 Pieces) $10.30(30 - 99 Pieces) $10.20(>=100 Pieces)","MOQ":"5 Pieces","Delivery Time":"Negotiable","Brand":"TL-WR841N"}}