small megaphone speaker for training

{"cid":"91219484","title":"Small Megaphone Speaker For Public Speaking Engagements And Classroom Settings","imgUrl":"https:\/\/img.chinax.com\/nimg\/1e\/63\/e5429c9a5c45c0df46ff8fc03913-200x200-1.jpg","attrs":{"Brand Name":"OEM","Model Number":"JM-9SH","Minimum Order Quantity":"300-500 Pieces","Delivery Time":"15-25 days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"5000-10000 Pieces Capacity Monthly","Packaging Details":"Packaging 1pcs Color box , 50pcs Carton","Name":"Mini Megaphone Speaker","Battery":"Dry cells","Type:":"ABS Shock-resistant and robust design","Channels":"1","Sound coverage":"0.3 KM","Portable":"Lightweight with carrying handle","Feature":"Conveniently located volume control and switch","SNR":"\u226580dB","Measurement":"100X100X164MM","Speaker Output":"10W Max"}}

{"cid":"91220556","title":"Portable 50W High Power Handheld Siren Alarm Megaphone Speaker for Training Exercises","imgUrl":"https:\/\/img.chinax.com\/nimg\/47\/41\/78cfd9fdca5759c3c91e24f48c3c-200x200-1.jpg","attrs":{"Price":"$15.00\/pieces 100-499 pieces","Brand Name":"UM AUDIO","Model Number":"UM3002","Minimum Order Quantity":"100 pieces","Power Source":"Battery, DC","Support Apt-x":"NO","Support APP":"NO","Battery":"NO","Number of Loudspeaker Enclosure":"1","Audio Crossover":"Full-Range","Set Type":"Speaker","Material":"Plastic","Waterproof":"NO","Communication":"AUX, usb, Audio Line","PMPO":"50W","Support Memory Card":"Yes","Speaker Type":"PORTABLE","Output Power":"25W","Remote Control":"NO","Cabinet Material":"Plastic","Frequency Range":"60Hz-23KHz","Display Screen":"NO","Intelligent Personal Assistant":"None","Voice Control":"NO","Built-in Microphone":"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":"1000 Piece\/Pieces per Day"}}

{"cid":"91153277","title":"Police Megaphone and Small megaphone Amplifier speaker megaphone Waistband megaphone","imgUrl":"https:\/\/img.chinax.com\/nimg\/ec\/09\/9db678ad65764fa88edb439a6097-200x200-1.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, Western Union, MoneyGram","Supply Ability":"10000 pcs\/month","Name":"Megaphone","Power":"5W-50W","Function":"Talk\/Siren"}}

{"cid":"91224379","title":"25W Drone Speaker System 130dB Drone Speaker Megaphone Small","imgUrl":"https:\/\/img.chinax.com\/nimg\/fa\/a5\/af7539b43f167b4907e149f6572a-200x200-1.jpg","attrs":{"Brand Name":"AOISUN","Model Number":"MP130","Minimum Order Quantity":"1","Delivery Time":"2 week","Payment Terms":"L\/C,D\/A,D\/P,T\/T","Packaging Details":"case","Name":"Drone Speaker System","Model No":"MP130","Weight":"550g","Size":"140*140*125 mm","Power":"25W","Working temperature":"-20~40","Pitch control angle":"0~90 \u00ba","waterproof level":"IP43","payload interface":"DJI SKYPORT","Maximum volume":"130dB","Maximum Voice transmission":"300M"}}

{"cid":"91222842","title":"4k Flat Panel 86 Inch touch screen whiteboard interactive whiteboard for classroom","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/ea\/ff1cc9f9c12d008222a665a85641-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"ZXTLCD","Model Number":"ZXTLCD-IFP860WIC","Minimum Order Quantity":"1","Delivery Time":"3-5 working days","Certification":"CE\/Rohs\/FCC","Place of Origin":"Guangdong, China","Payment Terms":"T\/T,MoneyGram,Western Union","Supply Ability":"2000 pcs per month","Packaging Details":"wooden case, carton, flight cases are optional","Screen Size":"86 inch","Brightness":"350cd\/m\u00b2","View Angle":"178\u00b0\/178\u00b0 (H\/V)","Resolution":"3840*2160 , 4K","Color":"16.7M","Response time":"8 ms","Fresh Frequency":"60 Hz","Surface Glass (Optional)":"Fingerprint-resistant, protective glass with anti-glare surface","Touch Technology":"Infrared touch screen","Touch Points":"20points","Audio system":"Built-in 15 W X 2 Speakers","Language":"3000 : 1","Built-in wifi":"150Mbps 802.11n wifi integate","OS":"Android 13.0","CPU":"Octa-core 4*A55\uff0c1.9GHz","GPU":"MaliG52 MC2_600MHz","RAM":"4G \/8G optional","SSD":"32G \/128G optional","Power Supply":"AC 100~240V, 50hz-60hz","Front interface":"HDMI*1\uff0cTouch USB*1\uff0cUSB*3\uff0cType-C*1","Rear interface":"RJ45*1 ,AV IN*2, AV OUT*1\uff0cUSB3.0*1, USB2.0*1, RS232*1, HDMI IN*1, TOUCH USB*1, Earphone*1,SPDIF*1","CAM + MIC\uff08optional\uff09":"Built-in 48MP camera + 8 array MIC on the top","OPS Slot":"Available","Max power consumption":"\u2264400W\u3010OPS not included\u3011","Standby":"\u22640.5W","Protype":"Floor standing \/wall mounted(Optional)"}}