Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable – 2000mAh, Black

【Small Size and Big Volume】– ①It is a Professional Voice Amplifier with 3 inches powerful magnetic loudspeaker. Compact size (4.9 x 1.9 x 3.6 inches) and light weight (0.56 lb). ②The max 10 watts sound can cover about 10000 sq.ft (1000 ㎡). More advanced sound sensitivity and more sound penetration. The sound of microphone amplifier is clear, crisp, no noise and no distortion.
【Long Battery Life】– ①Double power, it provides 18-20 hours keep using. ②The charging time of mini voice speaker is only 2-3 hours.
【Comfortable and Portable】– ①Portable loudspeaker comes with an adjustable band that you can use it to tie around your waist or hang on your neck. ②Teacher speaker amplifier has a clip on the back, you can clip on a belt or the pant waistband. ③The wired headset microphone is adjustable. ③Fashionable design that is suitable for teaching, trainer, singer, coach, tour guide, shopping mall, presentation, Yoga, outdoor speech and etc.
【Upgraded Microphone Speaker】– ①This speaker amplifier can work as an MP3 audio player, can be used on computers and mobile phones. ②The mini teacher voice amplifier can repeat single tune, loop all music and switch songs. Supporting 3.5mm AUX audio input (Mic port can be used as AUX port), can work as a wired speaker.
【Warm Tips】– Please charge the speaker before first time using, keep the speaker and teacher microphone for a distance to avoid the noise.