Please Note: This product operates independently and does not connect to external speakers or receivers.1. Crystal-Clear Professional Audio: Experience studio-quality sound with this wireless microphone. Its 15W high-performance neodymium speaker and DSP chip deliver brighter, distortion-free voice amplification perfect for classrooms, karaoke, presentations, and professional use. Enjoy 100 noise-free projection across 1,500 sq ft (150 ) spaces.2. 8-Hour Instant Operation: Always performance-ready! Power on and start speaking singing instantly no setup delays. A single charge delivers 8 hours of continuous use, eliminating battery anxiety and maximizing efficiency for teachers, tour guides, and event hosts.3. 3-in-1 Versatility Portable Design:More than a mic: Use it as a voice amplifier, Bluetooth speaker, or karaoke system. Features three voice modes (Karaoke Professional Acoustic) with independent effect volume controls. Ergonomic grip and ultra-lightweight build ensure comfortable all-day portability.4. Smart Anti-Feedback amp; Noise Reduction: H9 Bluetooth microphone built-in DSP technology suppresses howling and background interference. Focuses on vocal clarity even in chaotic environments (e.g., interviews, outdoor recordings). Delivers crisp, resonant audio without distortion at any volume.5. Premium Gift Reliable Support: This portable microphone is an ideal gift for educators, content creators, musicians, and event planners. Packaged in elegant retail-ready box. Backed by lifetime technical support contact us for solutions before considering returns.