1. With the rich resolution power that traditional dynamic earphones can not express
2. Hybrid technology scheme pressenting subversive details
3. High frequency extension over 40KHz presenting professional sound quality
4. Self-developed 10mm bass frequency dynamic
5. Electronic+physical double frequency adjustment technology
6. Ergonomic design, comfortable to wear
7. 3.5mm gold plated plug
8. Sensitivity: 23Ohm
9. Frequency: 20-40000Hz
10. Impedance: 107dB
11. Cable length: about 1.2m