ZJ002MR-01 Mono 3.5mm Plug Bluetooth Wireless Interpreter Tour Guide Megaphone Straight Microphone

1. Frequency response: 50Hz-20KHz 2. Impedance: 680 ohms 3. Directionality: unidirectional 4. Channel: mono 5. Application: megaphone, interpreter, mobile phone, outdoor interview, live broadcast 6. Microphone tube size: 3.0mm metal microphone tube 7. Total length: 100mm 8. Microphone size: 9.7x5.0mm 9. Accessories: with a sponge cover