KY300 Single Mic Portable Wireless Lavalier Microphone Teaching Voice Amplifier(White)

1. 25H Ultra-Long Battery Life: Built-in 2600mAh high-capacity rechargeable battery provides up to 25 hours of continuous amplification, perfect for all-day teaching, tour guiding, or outdoor events without low-battery anxiety. 2. Professional DSP Anti-Feedback & Noise Reduction: Equipped with an advanced DSP smart chip to eliminate high-pitched screeching and background noise, delivering crystal-clear and original vocal clarity. 3. Integrated Hidden Clip-on Microphone: Innovatively designed for seamless storage and hands-free convenience. Simply clip it onto your collar to speak freely anytime, anywhere. 4. 5W High Power & 100+ People Coverage: Powered by 5W output and a 3-inch high-magnetic speaker, it projects rich and powerful sound that effortlessly reaches crowds of over 100 people. 5. Upgraded Bluetooth 5.4: Experience instant pairing, ultra-stable connection, and low latency. Effortlessly switch between voice amplification and wireless Bluetooth music playback. Specifications: 1. Microphone: Condenser microphone 2. Input Voltage: 5V 3. Microphone Battery Capacity: 80mAh 4. Amplifier Battery Capacity: 2600mAh 5. Battery Life: Approx. 6 hours 6. Signal-to-Noise Ratio: 70dBM with adaptive noise reduction 7. Transmission Latency: 25ms 8. Speaker Sensitivity: 85dB 9. Frequency Response: 200Hz-15kHz 10. Transmission Distance: 20 meters (unobstructed) 11. Speaker Power: 5W 12. Bluetooth: 5.4