Voice Amplifier with Wired Microphone Headset, Portable Rechargeable PA System Speaker,Personal Microphone Speech Amplifier,Support USB Flash Drive/TF Card,for Teachers, Training, Meeting, Tour Guide, Yoga, Classroom,2200mAh

• Powerful Sound: The voice amplifier has a compact structure and a newly customized 3-inch speaker, which is far superior to the common 2.5-inch speaker in the market. The volume is higher and the transmission is wider, with a soft sound covering 1000 square meters of space • Easy to carry: This portable microphone and speaker measures 9.2 * 8.4 * 2.8cm and is made of rubber spray paint+ABS plastic. It is compact and lightweight, and you can use the detachable clip on the back to attach it to your belt or pocket, or tie it around your waist or neck with the help of your belt. • Rechargeable voice amplifier: The 2200mAh large lithium battery takes 4-6 hours for the microphone and speaker to fully charge, but it can play up to 20 hours of amplification time and 13 hours of music playback time. • Support music playback: voice amplifier TF (Micro SD) card playback and USB flash drive playback. You can repeat a song, loop through all the music, and switch songs. • Multi scenario applicability: can meet your more needs in different occasions. You can take it to multiple places, suitable for teaching/tour guide/gathering/speech/promotion/training and other scenarios