Portable Voice Amplifier for Teachers – 2200mAh Rechargeable Personal PA System with Headset Microphone and Speaker; (Black)

【Compact Size, Powerful Sound】This personal voice amplifier is compact and lightweight (measuring just 3.6 x 2.8 x 1 inches and weighing only 0.4 lbs) yet delivers a powerful 8W output with clear, noise-free sound. The volume is sufficient to cover large rooms holding 25–100 people. It offers stable performance, effectively amplifying your voice while protecting your throat. It is an ideal portable amplifier for teaching, training, singing, coaching, tour guiding, retail environments, public speaking, and outdoor events. 【Multifunctional Teacher's Microphone】Designed specifically for classroom teachers, this unit supports MP3 audio playback via TF (Micro SD) card and USB flash drive. It features functions such as single-track repeat, loop playback, and track switching. Equipped with a 3.5mm jack, it can also function as a wired speaker. 【Comfortable and Portable Design】① The headset microphone is lightweight and adjustable; the flexible gooseneck allows you to customize the distance between the mic and your mouth. ② The unit comes with an adjustable strap, allowing you to wear it around your waist or hang it around your neck. ③ A clip on the back allows you to attach it directly to your belt or waistband. Please charge the device before first use and maintain some distance between the microphone and the speaker unit to prevent feedback noise.