Feature

●Portable Voice amplifier is a life saver on your voice and throat!Speaker gives off a clear and crisp sound,no noise and no distortion!You could easily make a presentation to a group of 50 people and be heard clearly.
●Microphone and speaker compact size and light weight (11.36 ounces). Voice Amplification System comes with an adjustable band you can use around your waist but also has a clip on the back of the unit you can clip on a belt or pant waistband.
●Portable Loudspeaker built in rechargeable lithium battery. Continously working time is up to 6 to 8 hours. You can use USB cable included to charge this mini voice amplifier. Only needs 3~5 hours to fully charge it.
●Microphone amplifier supports MP3 audio playing and TF (Micro SD) card playing & USB flash driver playing. Can repeat single tune, loop all music and switch songs.
●Portable Speaker provides a sound system for meeting,teaching, training,outdoor activities like wedding,Yoga classroom even for tourist guide,elder and whisper etc

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Description

Mode And Wireless Microphone:This is what you want.

Data sheet

?Frequency response :50Hz--12000Hz"

?Output power: 15W

?Output impedance:3Ω

?Charge voltage :DC 5V 1A

?Charging time :4-6 hours

?Music time : 6-10 hours

?Amplifying time :12-18 hours

?Distortion rate:3%

?Operation temperature : -10℃45℃