Y27 Voice Amplifier Portable Loud Speaker With Wireless Bluetooth Mic For Teacher

【80MM Large-Diameter Speaker】     Equipped with an 80mm large speaker and 10W high-power output, it effortlessly covers a 400㎡ area with loud volume and rich sound quality, saving your throat from straining to speak loudly.     🎛️【Professional Dual-Chip Noise Reduction】     Powered by DSP+ANC dual noise reduction chips, it effectively eliminates howling and filters ambient classroom noise to deliver crisp, natural human voice.     ⏱️【Ultra-Low Latency】     Wireless transmission latency is under 30ms for seamless audio-video sync, ideal for live streaming, classroom teaching and tour guiding.     【All-Day Battery Life】     Built-in 2000mAh large-capacity battery; the main unit runs for 12 hours after a 2-hour full charge, while the wireless mic lasts 8 hours with just 1-hour charging for all-day outdoor use.     🎶【Multi-Functional All-in-One】     Works as a voice amplifier for teaching and guiding, and switches to a portable music player instantly via Bluetooth pairing.     🎙️【Two Wearing Options】     Compatible with wired ear-hook mic and wireless Bluetooth mic to get rid of cable restrictions and free your movement.