JinYun [Expert Recommended丨Ultra-Loud Volume] Small Bee Amplifier for Teachers, Wireless Dual Lapel Mic Anti-Feedback Teaching Microphone, Portable Tour Guide Speaker with Voice Recorder M20

Directivity: Cardioid Microphone Type: Condenser Connection: Other, 2.4G, Bluetooth Speaker Unit: Single Speaker Power Supply: Built-in Battery Type: Wireless Voice Recorder, Conference Microphone, Condenser Mic, Professional Recording Mic Transmitter (TX) Shape: Button-Type Usage Scenarios: Group Tour Commentary, Training Explanation, Online Teaching Transmission: Wired/Wireless Receiver (RX) Interface: Type-C Connected Devices: Smartphone, No Connection Required, Speaker Receiver (RX) Charging Function: Charge While Using Receiver (RX) Screen: No Display Internal Recording: Supported APP Parameter Adjustment: Not Supported Product Form: One Transmitter with Two Receivers Includes Charging Case: Yes