YCWF Portable Voice Amplifier for Teachers,Rechargeable Microphone

[Multi-Function]: This Voice Amplifier equipped with a USB, micro SD, and 3.5 mm jack, it can be used as a loudspeaker, insert a USB memory or microSD card, or connect to a 3.5 mm stereo jack on a smartphone,supports Music Playing. [Lightweight And Easy To Use]: You can use the back detachable clip to fix it on your belt or pocket, or you can also tie it around your waist or hang it on your neck with the help of the waistband, very easy to carry. The wired headworn microphone is adjustable. You can adjust the distance between your mouth and the mic. [Compact, lightweight and loud]: Although it is small in size and lightweight , it is equipped with a 3-inch speaker that exceeds the general 2.5-inch, so your voice can be heard loudly and widely. In addition, by adopting noise reduction technology, the voice of the speaker can be clearly loudened. [Long Battery Autonomy]: Full charge is only 3 to 5 hours, but it can be used continuously for up to 20 hours. The capacity of the battery is 2200mAh. Uses a high quality lithium rechargeable battery. It has a long life that can be used for 3 years or more. [Great success in various scenes]: A portable loudspeaker that can protect your throat, for various occasions such as tourist guides, meetings, lectures, events, over-the-counter sales, school events, in-house education, public relations, guidance, presentations, seminars, etc. It is used. You can easily take it to the place you want to use indoors or outdoors.