This is suitable for Classroom Teaching, promotion Activities and Tour-Guide Etc.
It's powerful and durable with SMD components and built-in lithium battery with an efficient neodyymium-ferroboron magnet 3" 4Ω speaker along with a
quality headset microphonedeliver the reinforce vocal sound to cover a reasonably wide ares to make yourself heard clearly and it come with a carrybag for easy storage and portability.