MK-7 3.5mm Elbow Head Handheld Loudspeaker Neck-mounted Microphone with Lanyard, Length: 1m (Black)

1. Frequency response: 20Hz-50KHz
2. Impedance: 680 ohms
3. Directionality: unidirectional
4. Channel: 2-pole mono, 3-level stereo, 4-pole pin
5. Wire diameter: 2.5mm/2 core, TPE headphone cable
6. Line length: 1 meter
7. Application: loudspeaker
8. Microphone size: 9.7x5.0mm
9. Accessories: with a sponge cover