rca connectivity 2 0 bookshelf speakers

{"cid":"91219621","title":"Aux RCA Connectivity 2.0 Bookshelf Speakers Wireless Hifi Speakers 20W","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e8\/05\/59092710df81c192bf8d77b3aeed-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Accept OEM","Minimum Order Quantity":"1000pcs","Delivery Time":"25-30 days after deposit","Place of Origin":"China","Packaging Details":"Gift box","Payment Terms":"T\/T or L\/C at sight","Supply Ability":"10000pcs per month","Frequency Response":"60Hz-20KHz","Product Name":"2.0 Bookshelf Speakers","Power Output":"20W","Number of Speakers":"2.0","Connectivity":"Bluetooth\/Aux\/RCA","Power Supply":"AC 220V,50Hz","Speaker Unit":"3\"*2","Impedance":"4 Ohms"}}