1. Material: Sponge + ABS
2. Sensitivity: 105dB
3. Impedance: 32 ohms
4. Plug diameter: 3.5mm
5. Speaker diameter: 50mm
6. Wearing method: head-mounted
7. Sounding principle: moving coil
8. Wire length: 1.2m
9. Frequency response range: 20-20000Hz
10. Weight: about 180g
11. Size: 15.5x7.5x19cm