1. Plug: 3.5mm
2. Frequency response range: 20-20000Hz
3. Impedance: 32 ohms
4. Sensitivity: 108dB
5. Earplugs/earmuffs material: plastic/aluminum alloy
6. Headphone cable material: TPE
7. Horn diameter: about 14.2mm
8. Wire length: about 1.2m
9. Weight: about 20g

Features:
1. TPE flexible wire, anti-pull, durable and not easy to knot
2. Built-in oxygen-free copper core wire, effective anti-interference, highly restored lossless sound quality
3. Octa-core structure, dynamic design, shocking stereo sound
4. 90 degree elbow interface design, fit the curvature of fingers
5. Line control design, easy to adjust
6. Built-in bass analysis unit, full bass
7. The interface is reinforced, not easy to break
8. Small and light, comfortable and painless to wear for a long time
9. In-ear design, physical noise reduction, echo cancellation technology, clearer sound