Wireless Mini Waist Portable Megaphone of Teaching with Wireless Microphone

Product Name: Wireless Mini Waist Portable Megaphone of Teaching with Wireless Microphone Model NO.: BD-AS10 Element Number: Push-Pull Amplifier Voltage: AC 110V Sound Channel: 2.1 Function: Pre-amplifier Tube Type: Transistor Amplifier Used For: Professional Usage: Hi-Fi Type: Mini Amplifier Material: imported ABS Output Power: 10W Frequency Response: 90Hz~18000Hz Input Signal: Wireless Receiver/MP3/WMA/Wired Mic Working Temperature: -10c~45c Charging Voltage: DC 5V 500mA Working Time: 8~10 Hours (Musical Mode) Charging Time: 3~5 Hours Wireless Distance: 20-25m Trademark: Best Dragon Transport Package: 40PCS in One Carton Specification: CE, FCC Origin: Changzhou Product Description Standardpackage:1*mainmachine1*waistband1*SHIDUUHFwirelssmicrophone1*USBchargingcable1*usermanualTechnical parameters:1. Output power: 10W2. Charging Voltage: DC 5V, 500mA3. Battery: 3.7V, 1800mAh4. Working time: with 50% volume 10~15hours (MIC mode)5. Charging time: 3-5 hours6. Product size: 92*75*30mm7. Unit weight: 121g8. Available color: blue; black; red9. Working temperature: -10ºC~45ºC10. Frequency response: 90Hz~18KHz11. Sound coverage: 500Square meterMain features:1. Stylish, ergonomic and comfortable design;2. Power double magnetic trumpet --- more clear and penetrating;3. 10W power output, sound coverage up to 800Square meter4. Adopt SHIDU Acoustic amplification electroacoustic system;5. Equipped with SHIDU special acoustic microphone --- Hi Fi original sound amplification;6. Super MP3 audio encoding technology --- support TF card & U flash disk.This personal voice amplifier suitablefor:A:Salespeople,teacher,clergy,tourguide,coach,publicspeaker,lecturer,exerciseinstructororpresenter.B:Parkinson's,MS,Guillain Barrésyndrome,ALSandstrokemayimpairthroatorchestmuscles,damage orpartiallyparalyzevocalchordsordiminishlungcapacity.C:Artificiallarynxusers,esophagealandTEPspeakers,andthosewhohavelosttheirvocalchordsand/or larynx followingthroatcancersurgery.D:Everydayclassroom,largeauditorium, indoor &outdoorsportsvenues, and outdoor activities.