ZJ031MR Mono 2.5mm Straight Plug Tour Guide Megaphone Lavalier Wired Microphone, Length: 1.5m, 2.5mm

1. Frequency response: 50Hz-20KHz
2. Impedance: 680 ohms
3. Directionality: unidirectional
4. Channel: mono
5. Wire diameter: 2.5mm/2 core shielded wire
6. Application: loudspeaker, interpreter, tour guide equipment, teaching equipment
7. Line length: about 1.5 meters
8. Microphone size: 9.7x5.0mm