Good quality, reliable earphone
| Driver Unit | Φ15MM |
| Frequency | 20~20kHz |
| Impedance | 32±3Ω |
| Sensitivity | 110±3dB (at 1000Hz 1mW) |
| Rated Input Power | 4mW |
| Max.Input Power | 20 mW |
| Mic Type | 6*5 mm |
| Directivity | Omnidirectional |
| Sensitivity:-58±2dB |