Voice Amplifier for Teacher — 18W Rechargeable Bluetooth PA, IPX5 Waterproof Speaker (NOT Wireless)

High-output 18W voice amplifier built to project clear speech to crowds of 150+ people and cover up to 15,000 square feet. Connect instantly via Bluetooth, TF card, USB flash drive, 3.5mm audio jack or USB — 3.5mm audio input and USB work without drivers for plug-and-play use with PCs, notebooks and desktops. Portable and rugged, the unit carries an IPX5 waterproof rating and an anti-fingerprint fabric rubber shell that helps resist scratches and impacts, making it suitable for outdoor sports, tours and field events. Powered by a long-life 4400mAh rechargeable battery, it delivers extended operation so you can teach, present or lead activities without frequent recharging. Wear it hands-free using the included adjustable waist or neck band for freedom of movement while speaking; the system also supports music playback and on-the-go recordings. Simple operation includes one-key recording and one-key loop playback for quick capture and repeat of audio. Versatile connectivity and durable construction make this amplifier ideal for classrooms, meetings, training sessions and public speaking engagements.