- Driver Unit (mm): 40 mm
- Magnet Type: Neodymium
- Impedance (O) (Power off, with cord): 26 O
- Sensitivity (dB/mW) (Power off, with cord): 99 dB / mW
- Playback Time with Battery (NC ON, SBC): Approx.20 hours
- Charging Time (25°C/ 77°F): Approx. 4 hours
- Weight (without cord): Approx. 270 g