Overview This portable voice amplifier is designed for individuals who need to project their voice clearly and effortlessly in various settings. Featuring a built-in microphone headset and adjustable waistband, it delivers stable, high-quality sound amplification while reducing vocal strain. Ideal for teachers, guides, presenters, and instructors, it ensures reliable performance with long-lasting battery life and versatile connectivity options. Product Details Compact yet powerful, this amplifier provides clear audio projection with minimal distortion. It includes a headset microphone and a detachable waistband for hands-free convenience. The device supports multiple audio sources—such as Bluetooth, TF card, and USB—and features an FM receiver with enhanced signal reception. With intelligent anti-howling technology and support for MP3, MP4, WAV, and other formats, it offers intuitive playback controls including skip, fast-forward, rewind, and memory playback. The rechargeable 2200mAh battery provides up to 22 hours of continuous use, and the LED screen clearly displays operating status. Key Features 1. Clear & Powerful Amplification – Projects your voice with stability and clarity, reducing throat strain when speaking to larger groups. 2. Versatile Connectivity – Equipped with Bluetooth, TF card, and USB playback, along with a built-in FM receiver for wide-range signal reception. 3. Long-Lasting Rechargeable Battery – 2200mAh battery offers up to 22 hours of working time and only requires about 3 hours to fully charge. 4. Portable & User-Friendly Design – Lightweight and compact with an adjustable shoulder/waist strap and metal buckle for secure, comfortable wear in various scenarios. 5. Wide Compatibility & Smart Features – Supports common audio formats, includes intelligent anti-howling, playback memory, and easy track navigation for seamless operation. Specifications Dimensions: 8.4cm x 9.2cm x 2.8cm / 3.31inch x 3.62inch x 1.10inch Package Includes 1 × Portable Voice Amplifier 1 × Microphone Headset 1 × Waistband 1 × Charging Cable Note: Slight variations in measurements may occur due to manual measuring and monitor differences.