
Portable Megaphone with USB/SD Foldable Microphone Speaker. Flexible Power Supply: Supports 1 or 2 18650 lithium batteries or 3 AA dry batteries for versatile usage. Long Recording Duration: Capable of recording for more than 60 seconds with full functionality. High Sound Pressure: Delivers 100dB sound pressure level with 10W power output. Compact and Portable: Small size of 128 x 210 mm and lightweight at 450g for easy carrying. Full Customization: Offers flexible customization from samples, designs, and minor adjustments. Professional Manufacturer: Over 30 years of experience with annual output of one million units. Strict Quality Control: 100% visual and function inspection for all finished products. Low MOQ: Accepts orders starting from just 1 piece with no quantity requirement for OEM.