Product Model: Series 7
Sensitivity: 109 dB
Frequency response: 5Hz-40kHz
Minimum power: 3mW
Plug method: 3.5mm direct insertion type
Dynamic coil unit: dual magnetic+dual voice coil+composite film
Moving iron unit: 2xTWFK-30017-P183, 2xSWFK-31736-000
Wearing method: In ear style
Resistance: 17 Ω
Line length: 1.2M
Silicone sleeves: 7 pairs