Monster Wireless Clip-on Amplifier 40W Mini Bee Teacher Classroom Tour Guide Conference Bluetooth Speaker Microphone N21 with National Subsidy

One-button noise reduction filtering environmental and wind noise for clear voice transmission.

Stable, strong signal with anti-interference and long-distance transmission up to 50 meters.

Supports simultaneous amplification and background audio playback.

DSP anti-feedback algorithm for intelligent, non-irritating, noise-free sound.

Bluetooth connectivity compatible with smartphones, tablets, and laptops.

U-disk playback and one-key recording/playback functionality.

Easy mode switching via M button.

Type-C fast charging interface with charging case included.

Compact and ergonomic design with smooth volume and power controls.

Ideal for classroom teaching, guided tours, training sessions, meetings, elderly entertainment, and outdoor activities.

Supports clear voice amplification and playback with stable, delay-free transmission.

One-key recording for lectures, presentations, and daily use.

Data tested by Monster Laboratory; actual performance may vary depending on environment.