lithium battery museum audio guide system

{"cid":"91171271","title":"Lithium Battery Powered Audio Guide Transmitter For Factory And Museum Visiting","imgUrl":"https:\/\/img.ismap.com\/nimg\/44\/3b\/bcaf64fab0cfa4178f4b7ad446ce-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"Yingmi","Model Number":"M7","Minimum Order Quantity":"1pcs","Delivery Time":"7days","Certification":"CE,RoHS","Place of Origin":"China","Payment Terms":"L\/C,Paypal","Supply Ability":"300 pieces per week","Packaging Details":"packed in carton box","Product":"Audio guide device","Color":"White","Feature":"Auto Induction","Dimensions":"5.8*7.5*1.3cm","Power":"Lithium Battery","Application":"Audio guide for museum"}}

{"cid":"91201969","title":"Multi Parameter Patient Monitor with Built-in Lithium Battery Anti-ESU and Anti-defibrillator for Adult Pediatric Neonatal Patients","imgUrl":"https:\/\/img.ismap.com\/nimg\/93\/89\/b97a4d13bafe54f0a9c2aa3b5a03-200x200-1.jpg","attrs":{"Brand Name":"Rainbow","Model Number":"PM-9000GTA","Minimum Order Quantity":"1","Place of Origin":"Hunan,China","Display type":"12.1'' TFT Color LCD","Monitor parameters":"ECG,PR,SPO2,NIBP,TEMP,RESP","Waveforms display":"Up to 12 waveforms","Arrhythmia analysis":"Yes","ST calculation":"Yes","Pace analysis":"Yes","Alarm levels":"1-7 level audio\/visual","Battery type":"Built-in lithium battery","Display languages":"Chinese, English, French, German, Portuguese, Turkish, Spanish","Material":"Metal, Plastic","Safety standard":"GB\/T18830-2009","Instrument classification":"Class II","Packing size":"40X35X30CM","Gross weight":"5kg","Power source":"Electricity"}}