5v electromagnetic mini active piezo buzzers

{"cid":"91198955","title":"Black 5V Electromagnetic Continous Beep Mini Active Piezo Buzzers","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/c6\/cfb09cfccccc5a9a476d32c8ad58-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"TAIMI","Model Number":"TM-12095 3V 5V 9V 12V magnetic buzzer","Minimum Order Quantity":"1000PCS","Delivery Time":"10~15days","Certification":"ISO9001\u3001ISO14001\u3001IATF16949","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"1000000\/month","Packaging Details":"safe packaging","Rated voltage (vp-p)":"DC5V","Function":"Alarm sound buzzer","Type":"Electromagnetic buzzer","Operating temperature":"-20\u00b0C to +60\u00b0C","Storage temperature":"-30 \u00b0 C to +70 \u00b0 C","Material":"ABS","Color":"Black","Rated Current:":"30mA(MAX)","RoHS":"Yes","IP Rating":"IP67","Size":"12*12*6.5mm","Frequency - Self Resonant":"2.9\u00b10.5KHz","Sound Output at 30cm (dB)":"\u2265100","Pin Spacing":"7.6mm","Operating Voltage":"4-8V","Resonant Frequency":"2300 +\/- 300 Hz","Weight":"2g"}}

{"cid":"91188875","title":"Cellphone Pin Type Micro Piezo Buzzer 5V \u03a614*7mm Without Oscillator Circuit","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/1e\/e950ec11ef13c6a110f5375ff94a-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"ANYO","Model Number":"1407W","Minimum Order Quantity":"500pcs","Delivery Time":"8-10 work days","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T","Supply Ability":"10000pcs per day","Packaging Details":"customized carton","Other name":"passive piezo buzzer","Rated voltage":"5V","Operating voltage":"1-30V","Rated current":"\u22642mA","Sound output":"\u226580dB","Resonant frequency":"4000Hz","Operation temperature":"-30~+85\u2103","Weight":"1g"}}