1. Frequency response: 50Hz-20KHz
2. Impedance: 2.2K ohm
3. Directionality: omnidirectional
4. Application: eating chicken earphones, Bluetooth earphones, in-line headphones, sound card live broadcast
5. Microphone diameter: 3.0mm
6. Total product length: 17cm
7. Microphone size: 9.7X4.5mm
