adaptive flash tour guide radio system

{"cid":"91171271","title":"Adaptive Flash Tour Guide Equipment RFID Work 15 Hours","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ea\/2a\/15206eb5f54baa73502e6855cbc8-200x200-1.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","Frequency response":"20Hz-20KHz","Power supply":"Lithium battery","Code rate":"8Kb\/s\u2014320Kb\/s","Language":"8 countries languages","Transmitting frequency":"2.4GHz","Weight":"50g","Dimensions":"75*58*13mm","Storage mode":"Adaptive Flash","Operating temperature":"-10\u2103-45\u2103","Coverage":"5m-25m adjustable"}}