Features: Enhances voice with voice Amplifiers, featuring a powerful 18W output and clear sound projections, for effective communications. This Miniature Megaphones with convenience, offering wireless capabilities, Bluetooth-compatible connectivity, and supports card for playing music. for teachers, coaches, Tours guides, and yoga instructors who require voice amplification to address groups no straining their voice. the voice Amplifiers excels in classrooms, outdoor tours, sports fields, and yoga studios, ensuring your message is loud clear. With waterproof and adjustable Microphones, this Speakers promises durability and comfort during extended use, making it essential tool for professional voice enhancement. Specifications: Material: ABS Size: 110x88x38mm Package Includes: 1Set Voice Amplifiers note: Please allow 0-1cm error due to manual measurement. please makes sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you.