18W Portable Wireless Bluetooth-Compatible Waterproof Voice Amplifier with UHF Microphone — TF Support, Easy to Operate (For Teacher Support)

Powerful, clear projection: this professional megaphone lets you be heard up to 1200 feet away and delivers a strong, clear output — the bullhorn speaker produces powerful 50 watt sound for crowd control and outdoor events. Lightweight, ergonomic design: built with an easy-grip handle and a convenient carrying strap, the portable megaphone is lightweight and includes a siren for immediate attention. Wide coverage: suitable for large indoor or outdoor spaces — it can cover about 10000 sq. ft (1000 ), loud enough to fill a big room and help protect your voice while amplifying speech. Versatile users: commonly used by indoor & outdoor fire officers, mentors, police, firefighters, cheerleader, schools, sports activities, occasion organizers and director — ideal for teachers, coaches, tour guides, trainers, singers, presenters and event staff. Multi-function playback and radio: supports TF card and AUX line-in to play music, can play music while you use the microphone for a mini karaoke setup, and also functions as a portable FM radio. Easy controls: includes UHF microphone connectivity, Bluetooth-compatible wireless operation and simple controls with one-key switch, one-key loop and repeat function.