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

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

a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a