Feature Highlights: 1. Powerful & Clear Sound Amplification: Take the strain off your voice. This portable amplifier projects your voice clearly and loudly, perfect for when you need to be heard over distance or by a group. Includes a microphone headset and waistband for hands-free use. 2. Versatile Playback & Connectivity: More than just an amplifier. It features stable Bluetooth to wirelessly play music from your phone, supports TF cards and USB drives, and has a built-in FM radio. Easily control playback—skip tracks, fast-forward, or rewind. 3. Long-Lasting Rechargeable Battery: Built-in 2200mAh battery provides up to 22 hours of continuous use on a single 3-hour charge. The clear LED screen displays battery level and status, so you're never caught off guard. 4. Smart & User-Friendly Design: Features intelligent anti-howling technology for clear sound without feedback. Automatically recognizes common audio formats (MP3, MP4, WAV). Its compact, lightweight body comes with an adjustable shoulder/waist strap with a secure metal buckle for all-day comfort. 5. Compact & Portable for Any Occasion: The ultimate portable voice tool. Its small size makes it ideal for teachers, tour guides, fitness instructors, promoters, or anyone needing to address groups of 50+ people—indoors or outdoors. Product Details: This all-in-one portable voice amplifier and speaker is designed to make your voice heard effortlessly. It combines powerful sound projection with versatile media playback options via Bluetooth, USB, TF card, or FM radio. The intelligent system ensures clear audio by reducing noise and howling. Built around a long-lasting rechargeable battery and featuring a convenient strap for easy carrying, it's the perfect vocal aid for presentations, classes, tours, and outdoor activities. Specifications: Product Dimensions: 8.4cm x 9.2cm x 2.8cm / 3.31" x 3.62" x 1.10" Battery Capacity: 2200mAh Working Time: Up to 22 hours Charging Time: Approximately 3 hours Package Includes: 1 x Portable Voice Amplifier 1 x Microphone Headset 1 x Waistband (Strap) 1 x Charging Cable Note: Slight size variations may occur due to manual measurement. Color tones may vary slightly between different device screens.