COMPACT POWERFUL VOICE AMPLIFIER: Delivers 12W of amplified sound coverage up to 4,500 sq ft. Ideal for public speaking, fitness class, classroom microphone for teachers, tour guides, and outdoor events requiring a portable microphone with speaker RECHARGEABLE & LONG-LASTING BATTERY: Built-in rechargeable battery powers this mini voice amplifier for 10-15 hours of continuous use and fully recharges in just 6 hours. Designed to provide dependable sound amplification for 2-3 years of regular use. DUAL INPUT FOR MP3 & MIC: Equipped with ports for both headset microphone and MP3 playback, lets you speak and play music at the same time. Works as a professional stage equipment tool or an audio power amplifier for public speaking, or teaching. PERSONAL VOICE AMPLIFIER IN ONE BOX: Includes a headset microphone, charger cable (US plug), MP3 cable (male to male 3.5mm), MP3 line-in port, microphone line-in port, removable belt clip, adjustable waistband, and a carry bag. LIGHTWEIGHT, WEARABLE & COSTUME-FRIENDLY: Weighing only 0.41 lbs, this power amplifier clips to a belt, hangs over the shoulder, or hides inside costumes. Great for teachers, performers, cosplay, Halloween, and hands-free speaking. The Voicebooster Speak Out MR1505 is a powerful personal voice amplifier designed for teachers, tour guides, and public speakers. This wearable portable speaker functions like a compact megaphone, delivering 12W of loud, clear sound, covering 4,500 sq ft with low feedback and excellent clarity. It features a built-in battery that provides 10–15 hours of use per charge and lasts 2–3 years before replacement. With both MP3 and microphone inputs, this amplified modulator allows you to speak and play music simultaneously. The lightweight, hands-free design includes a removable belt clip, adjustable waist/neck strap, and carry bag for maximum portability. Designed with advanced speaker technology, it delivers crystal-clear, amplified sound, making it the ideal teacher microphone, tour guide modulator, or classroom voice booster for any occasion. Includes headset microphone, MP3 cable, and charger —also a great solution for Halloween costumes or masks that need voice amplification.