Norwii Mini Voice Amplifier Portable Rechargeable Bluetooth Speaker 4000mAh with Wired Microphone Headset & Waistband, PA system Personal for Teachers, Tour Guides, Meeting, Coaches

【Mini Voice Amplifier】-- 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 ㎡) and ideal for a small or large group of 40-100 people. More advanced sound sensitivity and more sound penetration. The sound of microphone amplifier is clear, crisp, no noise and no distortion. 【Bluetooth Function Voice Speaker】-- Not only an voice amplifiers for teachers but also a portable Bluetooth speaker, you can connect to your mobile phone to listen to music, and you can also answer and reject calls. 【Comfortable and Portable】-- ①Portable personal Bluetooth voice amplifier 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. ④Fashionable design that is suitable for teaching, trainer, singer, coach, tour guide, shopping mall, presentation, Yoga, outdoor speech etc. 【Long Working Time】-- Rechargeable voice amplifier built-in a 4000mAh big lithium battery, you can use it for up to 35 hours (MIC mode) with a fully charged battery. You can use USB cable to charge this mini voice speaker. Only needs 4~6 hours to fully charge it. 【Intelligent Reminder and Easy to Use】-- Portable voice amplifier has Clear and accurate voice prompts for mode switching. Equipped with LED display screen, you can check the power of the amplifier in standby mode.