1. Frequency response: 50Hz-20KHz
2. Impedance: 680 ohms
3. Directionality: unidirectional
4. Plug: 3.5mm golden straight head
5. Channel: 4-pole pin
6. Application: mobile phones, tablets, laptops, live sound card recording, amplifiers, interpreters
7. Total length: 40mm long
8. Microphone size: 9.7x5.0mm
