DescriptionThis is a convenient and practical loudspeaker, made of high-quality materials, safe and practical, with a wide range of use, can be used for teaching, training, tour guides, conferences, promotions and many other occasions. With a large coverage area, it can deliver the information you want to express. It is a very convenient and practical tool that can bring convenience to many tasks.Features-Color: Black -Material: ABS -Size: About 10.00X8.00X3.00cm/3.93X3.14X1.18inch -Power: 10W -Frequency response range: 90Hz18KHz (Hz) -Output power: 5W -With 12 hours of battery life, you can use it for a long time and only need 3 hours of charging time. -The scientific design enables it to help you transmit information well, with high-fidelity effects, and the sound is clear and undistorted. -The compact loudspeaker is simple and practical and can bring convenience to your many tasks. -This product has a larger coverage area and is more convenient to use. -Need to insert a TF or U disk when recording (none of them).