non in ear audio guide system

{"cid":"91171271","title":"Hygienic Non In Ear Audio Guide System Can Be Switched Between Left And Right Ears","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/40\/e282a530625e0b7e255706e8b0f9-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"YingMi","Model Number":"K8","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 one month","Packaging Details":"packed in carton box","Brand":"YingMi","Channel spacing":"1MHz","Frequency domain":"UHF","Channel quantity":"50CH","Receiver capacity":"360MAH","Transmitter dimensions":"118\u00d743\u00d714.5mm","Frequency response":"20Hz-3.4KHz","Scenes":"Scenic spot or museum","Batter":"Lithium Battery","Warranty":"2 years"}}