a b speaker selector switch

{"cid":"91192371","title":"Intelligent Arcade Vending Machine Bill Acceptor RS232 \/ Pulse \/ MDB Interface","imgUrl":"https:\/\/img.chinax.com\/nimg\/f0\/60\/7d7e0bb4b2728c3c82730c8f3a62-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Vast","Model Number":"GMP-3017","Minimum Order Quantity":"1 Set","Delivery Time":"5-7 Working Days After Received The Deposit","Place of Origin":"Guangzhou,China","Certification":"CE,RoSh,SGS","Packaging Details":"Bubble pack + Stretch films + Carton box+ wooden case","Payment Terms":"T\/T 30% deposit in advance, balance 70% before shipment","Supply Ability":"300-500Set \/ Month","Type":"Bill acceptor","interface":"RS232 & pulse & MDB","capacity type":"game machine,vending machine","description":"Intelligent,Smart and Innovative","other name":"bill validator","Bill validator":"stacker be available","weight":"1.5kg","use":"bill","one Carton box":"32 or 16 set","Size":"W15*D16*H17CM","Package":"foam block+foam sheet+export standard carton","Color":"black","Voltage":"12v"}}

{"cid":"91218777","title":"Plastic Small Pocket Size Fm Radio 1600KHz 3V Portable Sports Radio","imgUrl":"https:\/\/img.chinax.com\/nimg\/16\/63\/abf9ac4cc3cd24c8242a06c32de6-200x200-1.jpg","attrs":{"Price":"To be negotiated","Brand Name":"DEKKO","Model Number":"DK-2018","Minimum Order Quantity":"3000 pieces","Delivery Time":"To be negotiated","Certification":"CE RoHS","Place of Origin":"Shenzhen","Payment Terms":"T\/T","Supply Ability":"5000 pieces per 30days","Packaging Details":"Inner packing: Blister card Outer packing: Carton Product size:95\u00d758\u00d723mm Carton size: 58*34.5*29.5cm Qty:200pcs\/ctn N.W.:19KG G.W.:20KG","Product name":"DK-2018","Material":"ABS Plastic","Support":"headphone jack","Battery":"DC","Feature":"radio","Band":"am fm"}}