how to use ear bulb syringe

{"cid":"91183764","title":"40 Gram Red Or Orange Ear Bulb Syringe 90 ml 60 ml 30 ml Consumable Medical Suppliers","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/2c\/2b\/348b44123a5fd5413522c7e95814-200x200-1.jpg","attrs":{"Price":"competitive","Brand Name":"STATEMED","Model Number":"STT21-RBS136","Minimum Order Quantity":"1000 pcs","Delivery Time":"5-10 days","Certification":"ISO","Place of Origin":"BEIJING, CHINA","Payment Terms":"T\/T, Western Union, Alibaba Trade Assurance, MasterCard, E-checking, Visa, L\/C","Supply Ability":"130000 pieces per month","Packaging Details":"export carton","Commodity:":"Rubber bulb syringe","Size:":"30ml, 60ml, 90ml","Color:":"red, orange","Warranty:":"1 year","Application:":"Hospital, clinic, laboratory","Weight:":"40g"}}

{"cid":"91175540","title":"Disposable Medical PVC Ear Ulcer Bulb Syringe,Ear Syringe,Ear Washer bulb, 25ml","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/41\/19\/eda5ee1cc94ecda1a88ab0d4d731-200x200-1.jpg","attrs":{"Brand Name":"OEM","Model Number":"RP08-25","Minimum Order Quantity":"2000","Delivery Time":"7-15 working days","Certification":"ISO9001:2015 & ISO13485:2016, FDA registration","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"100000 pieces per week","Packaging Details":"Carton","Material":"Medical grade PVC + PC Cup","Color":"Any color available,customer customization","Working Condition":"0-50\u2103","Shelf Life":"5 years"}}