pmu safe tour guide headphone system

{"cid":"91171271","title":"E8 Wireless Tour Guide System Uses PMU Lithium Battery Power","imgUrl":"https:\/\/img.chinax.com\/nimg\/1e\/9d\/ed90242d35143651d756ec632137-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"YingMi","Model Number":"E8","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","Working frequency":"860MHz-870MHz","Modulation":"Four levels of circulation","Working current":"Standby:35mA,Working:45mA","Battery capacity":"1200MAH","Frequency Response":"20-22K","Dimensions":"69*26*12mm","Warranty":"2 years","Brand":"YingMi","Color":"Black","Modulation mode":"GPSK"}}