wireless megaphone speaker for crowd control

{"cid":"91219484","title":"High Powered Battery Operated Bullhorn Wireless Megaphone Speaker For Crowd Control","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/28\/87\/b714554b013b18f694a772d0b1e1-200x200-1.jpg","attrs":{"Brand Name":"OEM","Model Number":"JM-3S","Minimum Order Quantity":"100-300","Delivery Time":"15-25 days","Place of Origin":"Zhejiang China","Certification":"CE","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"5,000 Capacity Month","Packaging Details":"Packaging 1pc Gift box , 20pcs Carton","Accessories":"Charger, Microphone","Battery Capacity":"1800mAh","Battery Type":"Rechargeable","Frequency Range":"70Hz-20KHz","Material":"ABS","Max Sound Pressure Level":"120dB","Name":"Battery Operated Bullhorn","Operation Range":"300m","Output Power":"15W","Power Source":"3.7V Lithium battery","Size":"158X250MM","Speaker Diameter":"6 inch","Weight":"0.5kg"}}

{"cid":"91153277","title":"25 Watt Megaphone Recording Bullhorn Loud Speaker Afforded mini wireless amplifier speaker","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/70\/06\/5946053791876cb3681b2dc9932b-200x200-1.jpg","attrs":{"Price":"$5 per pc","Brand Name":"YONGTUO","Model Number":"YT","Minimum Order Quantity":"10 pcs","Delivery Time":"about 3 days","Place of Origin":"Ningbo,China","Certification":"CE,SGS","Packaging Details":"carton or up to the customers","Payment Terms":"TT or L\/C, D\/A, D\/P, MoneyGram, Western Union","Supply Ability":"10000 pcs\/month","Name":"Speaker","Power":"5W-50W","Function":"Talk\/Siren"}}

{"cid":"91220556","title":"40W Black Loud Hailer Bullhorn Megaphone Speaker for Troop Sporting Rescue Support APP NO","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/08\/e2\/198c412dff680604198474be286c-200x200-1.jpg","attrs":{"Price":"$7.50\/pieces 100-299 pieces","Brand Name":"UM AUDIO","Model Number":"UM1600","Minimum Order Quantity":"100 pieces","Power Source":"Battery","Support Apt-x":"NO","Support APP":"NO","Battery":"NO","Number of Loudspeaker Enclosure":"1","Audio Crossover":"Full-Range","Set Type":"Speaker","Feature":"Display Visual Information","Material":"Plastic","Waterproof":"NO","Communication":"AUX, usb, Audio Line, bluetooth","PMPO":"40W","Support Memory Card":"Yes","Speaker Type":"PORTABLE","Output Power":"20W","Remote Control":"NO","Cabinet Material":"Plastic","Frequency Range":"60Hz-23KHz","Display Screen":"NO","Intelligent Personal Assistant":"none","Voice Control":"NO","Built-in Microphone":"Yes","Private Mold":"Yes","Type":"Active","Use":"Portable Audio Player, Outdoor","Channels":"1","Special Feature":"Wireless, PORTABLE","Place of Origin":"China","Certification":"ce","Packaging Details":"Gift box and standard export master carton","Port":"Ningbo, Shanghai","Supply Ability":"500 Piece\/Pieces per Day"}}