1. Material: TPE metal silicone electronic components
2. Frequency response range: 20-20000Hz
3. Impedance: 16 ohms
4. Sensitivity: 102db
5. Distortion rate: 2 percent
6. Horn diameter: 9mm
7. Durable wear-resistant metal texture sound insulation and noise reduction
8. Ergonomic in-ear design, comfortable to wear
9. Skin-friendly and comfortable soft silicone ear caps
10. Line length: 2.4 meters
11. Weight: 40 grams