• Portable megaphone with built-in rechargeable battery, eliminating the need for disposable batteries. • Ideal for crowd control, public speaking, emergency situations, and outdoor events. • Features adjustable volume control and siren function for attracting attention. • Typically offers a range of several hundred meters, depending on environmental conditions. • Lightweight and ergonomic design for comfortable handling and prolonged use. • Durable construction to withstand outdoor use and transportation. • May include a shoulder strap for easy carrying.