1. Ergonomic design, no pain to wear for a long time
2. Thickened earmuffs, soft and comfortable
3. 50mm driver unit, high audio resolution
4. Sensitivity: 110dB
5. Impedance: 32 ohms
6. Sound principle: moving coil
7. How to use: head-mounted
8. Plug diameter: 3.5mm
9. Frequency response: 20-20000Hz
10. Packing list: earphone + 1.2m cable with microphone + 3m straight cable + 3m spring cable + instruction manual + earphone storage bag + packing box