This multifunctional amplifier is designed specifically for teachers, offering a compact and portable solution for amplifying their the classroom. The device features a robust microphone and speaker system that ensures clear and loud sound, making it ideal for teaching environments. Its lightweight design allows for easy transportation and use throughout the day. Features - Color: White -Material: - Size: 9.00X8.50X2.50cm/3.54X3.34X0.98in -Power supply: built-in lithium battery -Interface type: USB -Output power: 5W -SNR: >=70db -Running time: 8 hours -Effective distance: 10 meters -Extended storage: 32GB -Battery capacity: 2200 -Portability: designed for teachers, this mini voice amplifier is lightweight and easy to carry, making it suitable for onthego use in various teaching environments -High volume output: with its powerful amplification, this device ensures that is heard clearly across the classroom, enhancing communication with students -exceptional audio quality: experience robust sound with this amplifier, which delivers clear and crisp audio, ensuring that every word is -Userfriendly: simple to set up and operate, this voice amplifier allows teachers to focus on their lessons without worrying about complicated equipment -Versatile use: ideal for teaching, this portable microphone and speaker system can also be used for presentations, tours, and other speaking engagements Package list: 1 x loudspeaker 1 x headset microphone 1 x USB cable 1 x strap