If you are looking for one voice amplifier specially for outdoors, then this model M800 is perfect for you. As a voice amplifier / Megaphone As a Bluetooth speaker / External speaker IPX4 Dust-proof Shockproof ●Amplify your voice and save your throat ●Small and compact, this nifty little voice amplifier speaker offers good sound quality. ●The headset is adjustable and fits comfortably. ●There are slots to add little SIMcards and drives for music and more. ●Perfect for group events and presentations ●Compatible with all audio device to be a portable speaker. Specification: Output Power: 18W Battery Capacity: 3.7V, 4400mAh Charging voltage: 5V, 1A Charging Time: 3 ~ 5 hours Working Time: 10 ~12 hours. (it depends on how do you use) Pacakge includes: 1*amplifier speaker/ 1*headset mic/ 1*waistband/ 1*charging cable/ 1*5V charger / 1*audio cable/ 1*manual

• This portable microphone headset and speaker has a clip you can hook on to a belt and comes with a neck strap which can also be used as a belt attachment.
• If you are a teacher, tour guide, presenter, salesman, coach, instructor, or people who has a soft voice, parkinson's disease , vocal cord is paralyzed or whisper, then this is a good voice amplifier and aid speaker or megaphone or mini amp for you.

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