infrared induction tour guide system

{"cid":"91171271","title":"Radio Frequency And Infrared Induction Tour Guide Device 0.5M To 30M","imgUrl":"https:\/\/img.chinax.com\/nimg\/7f\/09\/0b011b5b9844a4fdd560f4f727bf-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"YingMi","Model Number":"M7","Minimum Order Quantity":"1pcs","Delivery Time":"3-7 days","Certification":"CE,RoHs","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"10000pcs for one month","Packaging Details":"packed in carton box","Brand":"YingMi","Frequency response":"20Hz-20KHz","Color":"White","Code rate":"8Kb\/s-320Kb\/s","Power supply":"Lithium battery","Storage mode":"Adaptive Flash","Audio mode":"MP3","Weight":"50g","Languages":"8 language","Standby time":"15h"}}