1. Clear recording: equipped with noise-cancelling technology so it records clean and clear audio for all your professional applications. 2. Compatiblity: Not only for the PC, but also compatible for smart phones. 3. Clip on design: full 360 degree effective receive mode, specially designed for voice recording. 4. Applications: Applies to private interview, recording dedicated, dedicated camera, conference dedicated. 5. Material: Aluminum Alloy 6. Sensitivity: -36dB+ -3dB 0dB=1V Pa,1KHz 7. Frequency Range: 20Hz-18kHz 8. Impedance: <=2.2 kohm 9. Operation Voltage: 1.5V 10. Cable Length: 1.8m 11. Size: 36*10mm 12. Weight: 15g