1. Material: liquid silicone
2. Socket type: 3.5mm / Type-C / 8 Pin
3. Line length: about 120cm
3. Impedance: 16 ohms
4. Frequency response range: 20Hz-20kHz
5. Speaker power: 3mW
6. Sensitivity: 92+/-3db
7. High sensitivity microphone, improve call quality
8. Ergonomic design, comfortable to wear
9. Double silicone noise-isolating ear caps fit the ear canal more effectively, effectively isolating external noise