M10 Mini Wireless Microphone Teaching Voice Amplifier with Screen Display Features 1. 2.4G wireless technology, instantly usable and automatically binding. 2. Integrated magnetic microphone design, portable and lightweight for easy storage. 3. 360-degree omnidirectional sound amplification, delivering louder, more three-dimensional sound with wide coverage and strong penetration. 4. Equipped with a DSP chip, it accurately identifies and intelligently filters ambient noise to ensure clear voice communication. It utilizes digital flat amplifier technology for strong anti-interference capabilities. 5. Bluetooth 5.2 dual-mode connectivity, a 30-meter stable pickup range, and smooth transmission. Wireless Microphone Specifications 1. Microphone Capacitor Type: Condenser Mic 2. Pickup Pattern: Omnidirectional 3. Sensitivity: -34~2dB 4. Signal-to-Noise Ratio: Greater than or equal to 70dB 5. Wireless Range: Less than or equal to 30 meters 6. Battery Capacity: 80mAh 7. Battery Type: Polymer Battery 8. Charging Voltage: DC5V 1A 9. Weight: Approximately 22g 10. Dimensions: 52.6x18x13mm Speaker Specifications 1. Frequency Response: 20Hz-20kHz 2. Peak Power: 5W 3. Speaker Impedance: 4 Ohms 4. Battery Type: Lithium Battery 5. Battery Capacity: 2000mAh 6. Charging Voltage: DC5V 1A 7. Signal Version: 2.4G 8. Weight: Approximately 225g 9. Dimensions: 120x91x46mm