Wired/Wireless Clock Megaphone — Portable 5W Voice Amplifier Speaker with Teacher Guide Microphone, Supports TF Card & U Disk, High Sound (UHF)

Compact portable megaphone designed for teachers and presenters. High-fidelity speakers reproduce clear, natural audio and preserve sound detail. 5W output delivers strong volume and deep penetration for large or noisy environments. Supports both wired and wireless operation and comes with a teacher guide microphone for easy use. Playback options include TF Card and U Disk connection. Built-in frequency-conversion power amplifier plus an anti-whistle module provides optimized performance with reduced feedback, producing clearer and louder sound. Stable UHF connectivity minimizes interruptions and eliminates annoying audio lag.