Norwii Mini Voice Amplifier Microphone Headset, 3 Hours Quick Charging and up to 22 Play, Personal Portable Speaker Mic for Teachers, Training, Tour Guide, etc (Black)

Small Size and Powerful Sound: The personal voice amplifier is mini in size and light in weight (size 3.6 x 2.8 x 1 inches and weight 4.4 ounces), but with up to 10W output crystal sound and no noise, the sound is loud enough to cover a room with a large group of 25-100 people. The stable performance perfect for amplifying your voice and saving your throat Quick Charging and Long Battery Life: Norwii voice amp equipped with top-grade microchip to ensure fast charging and an extended use time. Charging time: 2-3hours, Amplification time: up to 22 hours, MP3 Music time: up to 20 hours. While the amplification time of other brands voice amplifiers on the market is only 6-12 hours Comfortable and Portable: ①The portable microphone headset is lightweight and adjustable. You can adjust the distance between the microphone and mouth with its flexible gooseneck. ②This portable microphone and speaker comes with an adjustable band that you can use it to tie around your waist or hang on your neck. ③The voice amplifier for teachers has a clip on the back, you can clip on a belt or the pant waistband Upgraded Microphone Speaker: This portable voice amplifier can work as an MP3 audio player, can be used on computers and mobile phones. The charging interface adopts advanced Type-C (charging head is not included), supports 3.5mm AUX audio input. Comfortable design makes it convenient for your teaching, training, presentation and other activities Warm Tips: Please charge the speaker before first time using, keep the speaker and teacher microphone for a distance to avoid the noise